Home / 87,374.40-131,036.24-34,054.50

Finding the Fourth Proportional to 87,374.40, 131,036.24 and 34,054.50

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Solution

The fourth proportional to 87,374.40, 131,036.24 and 34,054.50 is: 51,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,374.40 : 131,036.24 = 34,054.50 : x
  2. Step 2: Convert to fraction form
    87,374.40/131,036.24 = 34,054.50/x
  3. Step 3: Cross multiply
    87,374.40x = 131,036.24 × 34,054.50
  4. Step 4: Simplify right side
    87,374.40x = 4,462,373,635.08
  5. Step 5: Solve for x
    x = 4,462,373,635.08/87,374.40
  6. Step 6: Final answer
    x = 51,071.87

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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.