Home / 87,187.06-130,724.31-37,299.70

Finding the Fourth Proportional to 87,187.06, 130,724.31 and 37,299.70

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Solution

The fourth proportional to 87,187.06, 130,724.31 and 37,299.70 is: 55,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,187.06 : 130,724.31 = 37,299.70 : x
  2. Step 2: Convert to fraction form
    87,187.06/130,724.31 = 37,299.70/x
  3. Step 3: Cross multiply
    87,187.06x = 130,724.31 × 37,299.70
  4. Step 4: Simplify right side
    87,187.06x = 4,875,977,545.71
  5. Step 5: Solve for x
    x = 4,875,977,545.71/87,187.06
  6. Step 6: Final answer
    x = 55,925.47

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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.