Home / 80,569.52-111,154.92-59,399.12

Finding the Fourth Proportional to 80,569.52, 111,154.92 and 59,399.12

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Solution

The fourth proportional to 80,569.52, 111,154.92 and 59,399.12 is: 81,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569.52 : 111,154.92 = 59,399.12 : x
  2. Step 2: Convert to fraction form
    80,569.52/111,154.92 = 59,399.12/x
  3. Step 3: Cross multiply
    80,569.52x = 111,154.92 × 59,399.12
  4. Step 4: Simplify right side
    80,569.52x = 6,602,504,431.67
  5. Step 5: Solve for x
    x = 6,602,504,431.67/80,569.52
  6. Step 6: Final answer
    x = 81,947.92

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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.