Home / 87,276.83-130,925.49-31,124.91

Finding the Fourth Proportional to 87,276.83, 130,925.49 and 31,124.91

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Solution

The fourth proportional to 87,276.83, 130,925.49 and 31,124.91 is: 46,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276.83 : 130,925.49 = 31,124.91 : x
  2. Step 2: Convert to fraction form
    87,276.83/130,925.49 = 31,124.91/x
  3. Step 3: Cross multiply
    87,276.83x = 130,925.49 × 31,124.91
  4. Step 4: Simplify right side
    87,276.83x = 4,075,044,467.21
  5. Step 5: Solve for x
    x = 4,075,044,467.21/87,276.83
  6. Step 6: Final answer
    x = 46,691.03

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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.