Home / 84,669.16-126,754.60-56,519.39

Finding the Fourth Proportional to 84,669.16, 126,754.60 and 56,519.39

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Solution

The fourth proportional to 84,669.16, 126,754.60 and 56,519.39 is: 84,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,669.16 : 126,754.60 = 56,519.39 : x
  2. Step 2: Convert to fraction form
    84,669.16/126,754.60 = 56,519.39/x
  3. Step 3: Cross multiply
    84,669.16x = 126,754.60 × 56,519.39
  4. Step 4: Simplify right side
    84,669.16x = 7,164,092,847.28
  5. Step 5: Solve for x
    x = 7,164,092,847.28/84,669.16
  6. Step 6: Final answer
    x = 84,612.78

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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.