Home / 87,248.27-130,867.21-31,085.40

Finding the Fourth Proportional to 87,248.27, 130,867.21 and 31,085.40

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Solution

The fourth proportional to 87,248.27, 130,867.21 and 31,085.40 is: 46,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,248.27 : 130,867.21 = 31,085.40 : x
  2. Step 2: Convert to fraction form
    87,248.27/130,867.21 = 31,085.40/x
  3. Step 3: Cross multiply
    87,248.27x = 130,867.21 × 31,085.40
  4. Step 4: Simplify right side
    87,248.27x = 4,068,060,099.34
  5. Step 5: Solve for x
    x = 4,068,060,099.34/87,248.27
  6. Step 6: Final answer
    x = 46,626.25

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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.