Home / 70,385.52-97,132.86-38,555.76

Finding the Fourth Proportional to 70,385.52, 97,132.86 and 38,555.76

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Solution

The fourth proportional to 70,385.52, 97,132.86 and 38,555.76 is: 53,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385.52 : 97,132.86 = 38,555.76 : x
  2. Step 2: Convert to fraction form
    70,385.52/97,132.86 = 38,555.76/x
  3. Step 3: Cross multiply
    70,385.52x = 97,132.86 × 38,555.76
  4. Step 4: Simplify right side
    70,385.52x = 3,745,031,238.27
  5. Step 5: Solve for x
    x = 3,745,031,238.27/70,385.52
  6. Step 6: Final answer
    x = 53,207.41

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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.