Home / 78,604.29-108,267.30-60,420.24

Finding the Fourth Proportional to 78,604.29, 108,267.30 and 60,420.24

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Solution

The fourth proportional to 78,604.29, 108,267.30 and 60,420.24 is: 83,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,604.29 : 108,267.30 = 60,420.24 : x
  2. Step 2: Convert to fraction form
    78,604.29/108,267.30 = 60,420.24/x
  3. Step 3: Cross multiply
    78,604.29x = 108,267.30 × 60,420.24
  4. Step 4: Simplify right side
    78,604.29x = 6,541,536,250.15
  5. Step 5: Solve for x
    x = 6,541,536,250.15/78,604.29
  6. Step 6: Final answer
    x = 83,221.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.