Home / 87,260.52-130,895.58-28,091.88

Finding the Fourth Proportional to 87,260.52, 130,895.58 and 28,091.88

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Solution

The fourth proportional to 87,260.52, 130,895.58 and 28,091.88 is: 42,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,260.52 : 130,895.58 = 28,091.88 : x
  2. Step 2: Convert to fraction form
    87,260.52/130,895.58 = 28,091.88/x
  3. Step 3: Cross multiply
    87,260.52x = 130,895.58 × 28,091.88
  4. Step 4: Simplify right side
    87,260.52x = 3,677,102,925.89
  5. Step 5: Solve for x
    x = 3,677,102,925.89/87,260.52
  6. Step 6: Final answer
    x = 42,139.37

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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.