Home / 87,447.04-131,087.36-55,768.20

Finding the Fourth Proportional to 87,447.04, 131,087.36 and 55,768.20

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Solution

The fourth proportional to 87,447.04, 131,087.36 and 55,768.20 is: 83,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,447.04 : 131,087.36 = 55,768.20 : x
  2. Step 2: Convert to fraction form
    87,447.04/131,087.36 = 55,768.20/x
  3. Step 3: Cross multiply
    87,447.04x = 131,087.36 × 55,768.20
  4. Step 4: Simplify right side
    87,447.04x = 7,310,506,109.95
  5. Step 5: Solve for x
    x = 7,310,506,109.95/87,447.04
  6. Step 6: Final answer
    x = 83,599.24

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1.5x scale

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.