Home / 42,052.50-63,078.76-17,106.12

Finding the Fourth Proportional to 42,052.50, 63,078.76 and 17,106.12

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Solution

The fourth proportional to 42,052.50, 63,078.76 and 17,106.12 is: 25,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,052.50 : 63,078.76 = 17,106.12 : x
  2. Step 2: Convert to fraction form
    42,052.50/63,078.76 = 17,106.12/x
  3. Step 3: Cross multiply
    42,052.50x = 63,078.76 × 17,106.12
  4. Step 4: Simplify right side
    42,052.50x = 1,079,032,838.01
  5. Step 5: Solve for x
    x = 1,079,032,838.01/42,052.50
  6. Step 6: Final answer
    x = 25,659.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.