Home / 69,981.55-96,572.61-38,150.44

Finding the Fourth Proportional to 69,981.55, 96,572.61 and 38,150.44

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Solution

The fourth proportional to 69,981.55, 96,572.61 and 38,150.44 is: 52,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.55 : 96,572.61 = 38,150.44 : x
  2. Step 2: Convert to fraction form
    69,981.55/96,572.61 = 38,150.44/x
  3. Step 3: Cross multiply
    69,981.55x = 96,572.61 × 38,150.44
  4. Step 4: Simplify right side
    69,981.55x = 3,684,287,322.02
  5. Step 5: Solve for x
    x = 3,684,287,322.02/69,981.55
  6. Step 6: Final answer
    x = 52,646.55

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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.