Home / 70,970.17-97,938.92-38,704.85

Finding the Fourth Proportional to 70,970.17, 97,938.92 and 38,704.85

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Solution

The fourth proportional to 70,970.17, 97,938.92 and 38,704.85 is: 53,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,970.17 : 97,938.92 = 38,704.85 : x
  2. Step 2: Convert to fraction form
    70,970.17/97,938.92 = 38,704.85/x
  3. Step 3: Cross multiply
    70,970.17x = 97,938.92 × 38,704.85
  4. Step 4: Simplify right side
    70,970.17x = 3,790,711,733.01
  5. Step 5: Solve for x
    x = 3,790,711,733.01/70,970.17
  6. Step 6: Final answer
    x = 53,412.75

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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.