Home / 86,704.20-130,056.30-24,374.70

Finding the Fourth Proportional to 86,704.20, 130,056.30 and 24,374.70

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Solution

The fourth proportional to 86,704.20, 130,056.30 and 24,374.70 is: 36,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704.20 : 130,056.30 = 24,374.70 : x
  2. Step 2: Convert to fraction form
    86,704.20/130,056.30 = 24,374.70/x
  3. Step 3: Cross multiply
    86,704.20x = 130,056.30 × 24,374.70
  4. Step 4: Simplify right side
    86,704.20x = 3,170,083,295.61
  5. Step 5: Solve for x
    x = 3,170,083,295.61/86,704.20
  6. Step 6: Final answer
    x = 36,562.05

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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.