Home / 84,098.80-126,148.20-57,723.58

Finding the Fourth Proportional to 84,098.80, 126,148.20 and 57,723.58

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Solution

The fourth proportional to 84,098.80, 126,148.20 and 57,723.58 is: 86,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098.80 : 126,148.20 = 57,723.58 : x
  2. Step 2: Convert to fraction form
    84,098.80/126,148.20 = 57,723.58/x
  3. Step 3: Cross multiply
    84,098.80x = 126,148.20 × 57,723.58
  4. Step 4: Simplify right side
    84,098.80x = 7,281,725,714.56
  5. Step 5: Solve for x
    x = 7,281,725,714.56/84,098.80
  6. Step 6: Final answer
    x = 86,585.37

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1.5x scale

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.