Home / 42,051.50-63,077.26-17,105.12

Finding the Fourth Proportional to 42,051.50, 63,077.26 and 17,105.12

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Solution

The fourth proportional to 42,051.50, 63,077.26 and 17,105.12 is: 25,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,051.50 : 63,077.26 = 17,105.12 : x
  2. Step 2: Convert to fraction form
    42,051.50/63,077.26 = 17,105.12/x
  3. Step 3: Cross multiply
    42,051.50x = 63,077.26 × 17,105.12
  4. Step 4: Simplify right side
    42,051.50x = 1,078,944,101.57
  5. Step 5: Solve for x
    x = 1,078,944,101.57/42,051.50
  6. Step 6: Final answer
    x = 25,657.68

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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.