Home / 83,439.92-125,054.76-59,623.40

Finding the Fourth Proportional to 83,439.92, 125,054.76 and 59,623.40

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Solution

The fourth proportional to 83,439.92, 125,054.76 and 59,623.40 is: 89,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.92 : 125,054.76 = 59,623.40 : x
  2. Step 2: Convert to fraction form
    83,439.92/125,054.76 = 59,623.40/x
  3. Step 3: Cross multiply
    83,439.92x = 125,054.76 × 59,623.40
  4. Step 4: Simplify right side
    83,439.92x = 7,456,189,977.38
  5. Step 5: Solve for x
    x = 7,456,189,977.38/83,439.92
  6. Step 6: Final answer
    x = 89,359.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.