Home / 87,751.04-131,646-48,287.84

Finding the Fourth Proportional to 87,751.04, 131,646 and 48,287.84

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Solution

The fourth proportional to 87,751.04, 131,646 and 48,287.84 is: 72,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,751.04 : 131,646 = 48,287.84 : x
  2. Step 2: Convert to fraction form
    87,751.04/131,646 = 48,287.84/x
  3. Step 3: Cross multiply
    87,751.04x = 131,646 × 48,287.84
  4. Step 4: Simplify right side
    87,751.04x = 6,356,900,984.64
  5. Step 5: Solve for x
    x = 6,356,900,984.64/87,751.04
  6. Step 6: Final answer
    x = 72,442.46

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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.