Home / 87,257.04-130,913.77-42,852.65

Finding the Fourth Proportional to 87,257.04, 130,913.77 and 42,852.65

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Solution

The fourth proportional to 87,257.04, 130,913.77 and 42,852.65 is: 64,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,257.04 : 130,913.77 = 42,852.65 : x
  2. Step 2: Convert to fraction form
    87,257.04/130,913.77 = 42,852.65/x
  3. Step 3: Cross multiply
    87,257.04x = 130,913.77 × 42,852.65
  4. Step 4: Simplify right side
    87,257.04x = 5,610,002,021.03
  5. Step 5: Solve for x
    x = 5,610,002,021.03/87,257.04
  6. Step 6: Final answer
    x = 64,292.83

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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.