Home / 70,229.11-96,915.50-38,397.67

Finding the Fourth Proportional to 70,229.11, 96,915.50 and 38,397.67

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Solution

The fourth proportional to 70,229.11, 96,915.50 and 38,397.67 is: 52,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,229.11 : 96,915.50 = 38,397.67 : x
  2. Step 2: Convert to fraction form
    70,229.11/96,915.50 = 38,397.67/x
  3. Step 3: Cross multiply
    70,229.11x = 96,915.50 × 38,397.67
  4. Step 4: Simplify right side
    70,229.11x = 3,721,328,998.30
  5. Step 5: Solve for x
    x = 3,721,328,998.30/70,229.11
  6. Step 6: Final answer
    x = 52,988.42

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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.