Home / 56,670.20-85,005.30-34,119.80

Finding the Fourth Proportional to 56,670.20, 85,005.30 and 34,119.80

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Solution

The fourth proportional to 56,670.20, 85,005.30 and 34,119.80 is: 51,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670.20 : 85,005.30 = 34,119.80 : x
  2. Step 2: Convert to fraction form
    56,670.20/85,005.30 = 34,119.80/x
  3. Step 3: Cross multiply
    56,670.20x = 85,005.30 × 34,119.80
  4. Step 4: Simplify right side
    56,670.20x = 2,900,363,834.94
  5. Step 5: Solve for x
    x = 2,900,363,834.94/56,670.20
  6. Step 6: Final answer
    x = 51,179.70

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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.