Home / 84,262.56-126,406.08-34,345.68

Finding the Fourth Proportional to 84,262.56, 126,406.08 and 34,345.68

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Solution

The fourth proportional to 84,262.56, 126,406.08 and 34,345.68 is: 51,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,262.56 : 126,406.08 = 34,345.68 : x
  2. Step 2: Convert to fraction form
    84,262.56/126,406.08 = 34,345.68/x
  3. Step 3: Cross multiply
    84,262.56x = 126,406.08 × 34,345.68
  4. Step 4: Simplify right side
    84,262.56x = 4,341,502,773.73
  5. Step 5: Solve for x
    x = 4,341,502,773.73/84,262.56
  6. Step 6: Final answer
    x = 51,523.51

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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.