Home / 69,909.52-96,475.98-38,078.68

Finding the Fourth Proportional to 69,909.52, 96,475.98 and 38,078.68

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Solution

The fourth proportional to 69,909.52, 96,475.98 and 38,078.68 is: 52,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,909.52 : 96,475.98 = 38,078.68 : x
  2. Step 2: Convert to fraction form
    69,909.52/96,475.98 = 38,078.68/x
  3. Step 3: Cross multiply
    69,909.52x = 96,475.98 × 38,078.68
  4. Step 4: Simplify right side
    69,909.52x = 3,673,677,970.11
  5. Step 5: Solve for x
    x = 3,673,677,970.11/69,909.52
  6. Step 6: Final answer
    x = 52,549.04

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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.