Home / 84,520.20-126,593.40-57,802.86

Finding the Fourth Proportional to 84,520.20, 126,593.40 and 57,802.86

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Solution

The fourth proportional to 84,520.20, 126,593.40 and 57,802.86 is: 86,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,520.20 : 126,593.40 = 57,802.86 : x
  2. Step 2: Convert to fraction form
    84,520.20/126,593.40 = 57,802.86/x
  3. Step 3: Cross multiply
    84,520.20x = 126,593.40 × 57,802.86
  4. Step 4: Simplify right side
    84,520.20x = 7,317,460,577.12
  5. Step 5: Solve for x
    x = 7,317,460,577.12/84,520.20
  6. Step 6: Final answer
    x = 86,576.47

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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.