Home / 70,757.10-97,641.27-38,925.18

Finding the Fourth Proportional to 70,757.10, 97,641.27 and 38,925.18

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Solution

The fourth proportional to 70,757.10, 97,641.27 and 38,925.18 is: 53,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,757.10 : 97,641.27 = 38,925.18 : x
  2. Step 2: Convert to fraction form
    70,757.10/97,641.27 = 38,925.18/x
  3. Step 3: Cross multiply
    70,757.10x = 97,641.27 × 38,925.18
  4. Step 4: Simplify right side
    70,757.10x = 3,800,704,010.18
  5. Step 5: Solve for x
    x = 3,800,704,010.18/70,757.10
  6. Step 6: Final answer
    x = 53,714.81

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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.