Home / 99,644.24-137,502.16-56,043.32

Finding the Fourth Proportional to 99,644.24, 137,502.16 and 56,043.32

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Solution

The fourth proportional to 99,644.24, 137,502.16 and 56,043.32 is: 77,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,644.24 : 137,502.16 = 56,043.32 : x
  2. Step 2: Convert to fraction form
    99,644.24/137,502.16 = 56,043.32/x
  3. Step 3: Cross multiply
    99,644.24x = 137,502.16 × 56,043.32
  4. Step 4: Simplify right side
    99,644.24x = 7,706,077,553.57
  5. Step 5: Solve for x
    x = 7,706,077,553.57/99,644.24
  6. Step 6: Final answer
    x = 77,335.91

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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.