Home / 53,145.50-73,344.12-29,272.18

Finding the Fourth Proportional to 53,145.50, 73,344.12 and 29,272.18

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Solution

The fourth proportional to 53,145.50, 73,344.12 and 29,272.18 is: 40,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.50 : 73,344.12 = 29,272.18 : x
  2. Step 2: Convert to fraction form
    53,145.50/73,344.12 = 29,272.18/x
  3. Step 3: Cross multiply
    53,145.50x = 73,344.12 × 29,272.18
  4. Step 4: Simplify right side
    53,145.50x = 2,146,942,282.58
  5. Step 5: Solve for x
    x = 2,146,942,282.58/53,145.50
  6. Step 6: Final answer
    x = 40,397.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.