Home / 67,861.12-101,515.20-56,801.92

Finding the Fourth Proportional to 67,861.12, 101,515.20 and 56,801.92

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Solution

The fourth proportional to 67,861.12, 101,515.20 and 56,801.92 is: 84,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,861.12 : 101,515.20 = 56,801.92 : x
  2. Step 2: Convert to fraction form
    67,861.12/101,515.20 = 56,801.92/x
  3. Step 3: Cross multiply
    67,861.12x = 101,515.20 × 56,801.92
  4. Step 4: Simplify right side
    67,861.12x = 5,766,258,269.18
  5. Step 5: Solve for x
    x = 5,766,258,269.18/67,861.12
  6. Step 6: Final answer
    x = 84,971.46

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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.