Home / 86,764.20-130,146.30-24,434.70

Finding the Fourth Proportional to 86,764.20, 130,146.30 and 24,434.70

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Solution

The fourth proportional to 86,764.20, 130,146.30 and 24,434.70 is: 36,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,764.20 : 130,146.30 = 24,434.70 : x
  2. Step 2: Convert to fraction form
    86,764.20/130,146.30 = 24,434.70/x
  3. Step 3: Cross multiply
    86,764.20x = 130,146.30 × 24,434.70
  4. Step 4: Simplify right side
    86,764.20x = 3,180,085,796.61
  5. Step 5: Solve for x
    x = 3,180,085,796.61/86,764.20
  6. Step 6: Final answer
    x = 36,652.05

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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.