Home / 84,430.48-126,676.08-39,491.92

Finding the Fourth Proportional to 84,430.48, 126,676.08 and 39,491.92

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Solution

The fourth proportional to 84,430.48, 126,676.08 and 39,491.92 is: 59,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,430.48 : 126,676.08 = 39,491.92 : x
  2. Step 2: Convert to fraction form
    84,430.48/126,676.08 = 39,491.92/x
  3. Step 3: Cross multiply
    84,430.48x = 126,676.08 × 39,491.92
  4. Step 4: Simplify right side
    84,430.48x = 5,002,681,617.27
  5. Step 5: Solve for x
    x = 5,002,681,617.27/84,430.48
  6. Step 6: Final answer
    x = 59,252.08

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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.