Home / 99,823.30-137,706.45-59,508.65

Finding the Fourth Proportional to 99,823.30, 137,706.45 and 59,508.65

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Solution

The fourth proportional to 99,823.30, 137,706.45 and 59,508.65 is: 82,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,823.30 : 137,706.45 = 59,508.65 : x
  2. Step 2: Convert to fraction form
    99,823.30/137,706.45 = 59,508.65/x
  3. Step 3: Cross multiply
    99,823.30x = 137,706.45 × 59,508.65
  4. Step 4: Simplify right side
    99,823.30x = 8,194,725,056.90
  5. Step 5: Solve for x
    x = 8,194,725,056.90/99,823.30
  6. Step 6: Final answer
    x = 82,092.31

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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.