Home / 64,209.11-96,279.03-29,129.63

Finding the Fourth Proportional to 64,209.11, 96,279.03 and 29,129.63

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Solution

The fourth proportional to 64,209.11, 96,279.03 and 29,129.63 is: 43,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,209.11 : 96,279.03 = 29,129.63 : x
  2. Step 2: Convert to fraction form
    64,209.11/96,279.03 = 29,129.63/x
  3. Step 3: Cross multiply
    64,209.11x = 96,279.03 × 29,129.63
  4. Step 4: Simplify right side
    64,209.11x = 2,804,572,039.26
  5. Step 5: Solve for x
    x = 2,804,572,039.26/64,209.11
  6. Step 6: Final answer
    x = 43,678.73

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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.