Home / 70,589.17-97,414.45-38,757.79

Finding the Fourth Proportional to 70,589.17, 97,414.45 and 38,757.79

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Solution

The fourth proportional to 70,589.17, 97,414.45 and 38,757.79 is: 53,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,589.17 : 97,414.45 = 38,757.79 : x
  2. Step 2: Convert to fraction form
    70,589.17/97,414.45 = 38,757.79/x
  3. Step 3: Cross multiply
    70,589.17x = 97,414.45 × 38,757.79
  4. Step 4: Simplify right side
    70,589.17x = 3,775,569,088.05
  5. Step 5: Solve for x
    x = 3,775,569,088.05/70,589.17
  6. Step 6: Final answer
    x = 53,486.52

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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.