Home / 89,071.65-122,918.85-48,787.92

Finding the Fourth Proportional to 89,071.65, 122,918.85 and 48,787.92

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Solution

The fourth proportional to 89,071.65, 122,918.85 and 48,787.92 is: 67,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071.65 : 122,918.85 = 48,787.92 : x
  2. Step 2: Convert to fraction form
    89,071.65/122,918.85 = 48,787.92/x
  3. Step 3: Cross multiply
    89,071.65x = 122,918.85 × 48,787.92
  4. Step 4: Simplify right side
    89,071.65x = 5,996,955,020.29
  5. Step 5: Solve for x
    x = 5,996,955,020.29/89,071.65
  6. Step 6: Final answer
    x = 67,327.31

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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.