Home / 99,232.52-136,952.82-56,790.14

Finding the Fourth Proportional to 99,232.52, 136,952.82 and 56,790.14

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Solution

The fourth proportional to 99,232.52, 136,952.82 and 56,790.14 is: 78,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,232.52 : 136,952.82 = 56,790.14 : x
  2. Step 2: Convert to fraction form
    99,232.52/136,952.82 = 56,790.14/x
  3. Step 3: Cross multiply
    99,232.52x = 136,952.82 × 56,790.14
  4. Step 4: Simplify right side
    99,232.52x = 7,777,569,821.19
  5. Step 5: Solve for x
    x = 7,777,569,821.19/99,232.52
  6. Step 6: Final answer
    x = 78,377.23

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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.