Home / 86,622.12-129,937.02-24,291.24

Finding the Fourth Proportional to 86,622.12, 129,937.02 and 24,291.24

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Solution

The fourth proportional to 86,622.12, 129,937.02 and 24,291.24 is: 36,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,622.12 : 129,937.02 = 24,291.24 : x
  2. Step 2: Convert to fraction form
    86,622.12/129,937.02 = 24,291.24/x
  3. Step 3: Cross multiply
    86,622.12x = 129,937.02 × 24,291.24
  4. Step 4: Simplify right side
    86,622.12x = 3,156,331,337.70
  5. Step 5: Solve for x
    x = 3,156,331,337.70/86,622.12
  6. Step 6: Final answer
    x = 36,437.94

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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.