Home / 92,706.06-137,866.38-89,753.58

Finding the Fourth Proportional to 92,706.06, 137,866.38 and 89,753.58

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Solution

The fourth proportional to 92,706.06, 137,866.38 and 89,753.58 is: 133,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,706.06 : 137,866.38 = 89,753.58 : x
  2. Step 2: Convert to fraction form
    92,706.06/137,866.38 = 89,753.58/x
  3. Step 3: Cross multiply
    92,706.06x = 137,866.38 × 89,753.58
  4. Step 4: Simplify right side
    92,706.06x = 12,374,001,166.64
  5. Step 5: Solve for x
    x = 12,374,001,166.64/92,706.06
  6. Step 6: Final answer
    x = 133,475.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.