Home / 62,710.11-86,328.92-54,328.64

Finding the Fourth Proportional to 62,710.11, 86,328.92 and 54,328.64

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Solution

The fourth proportional to 62,710.11, 86,328.92 and 54,328.64 is: 74,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,710.11 : 86,328.92 = 54,328.64 : x
  2. Step 2: Convert to fraction form
    62,710.11/86,328.92 = 54,328.64/x
  3. Step 3: Cross multiply
    62,710.11x = 86,328.92 × 54,328.64
  4. Step 4: Simplify right side
    62,710.11x = 4,690,132,520.45
  5. Step 5: Solve for x
    x = 4,690,132,520.45/62,710.11
  6. Step 6: Final answer
    x = 74,790.69

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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.