Home / 82,398.92-113,702.10-50,569.16

Finding the Fourth Proportional to 82,398.92, 113,702.10 and 50,569.16

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Solution

The fourth proportional to 82,398.92, 113,702.10 and 50,569.16 is: 69,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,398.92 : 113,702.10 = 50,569.16 : x
  2. Step 2: Convert to fraction form
    82,398.92/113,702.10 = 50,569.16/x
  3. Step 3: Cross multiply
    82,398.92x = 113,702.10 × 50,569.16
  4. Step 4: Simplify right side
    82,398.92x = 5,749,819,687.24
  5. Step 5: Solve for x
    x = 5,749,819,687.24/82,398.92
  6. Step 6: Final answer
    x = 69,780.28

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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.