Home / 84,310.56-126,553.44-56,425.47

Finding the Fourth Proportional to 84,310.56, 126,553.44 and 56,425.47

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Solution

The fourth proportional to 84,310.56, 126,553.44 and 56,425.47 is: 84,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,310.56 : 126,553.44 = 56,425.47 : x
  2. Step 2: Convert to fraction form
    84,310.56/126,553.44 = 56,425.47/x
  3. Step 3: Cross multiply
    84,310.56x = 126,553.44 × 56,425.47
  4. Step 4: Simplify right side
    84,310.56x = 7,140,837,595.10
  5. Step 5: Solve for x
    x = 7,140,837,595.10/84,310.56
  6. Step 6: Final answer
    x = 84,696.84

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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.