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Finding the Fourth Proportional to 79,577.60, 119,323.04 and 29,655.68

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Solution

The fourth proportional to 79,577.60, 119,323.04 and 29,655.68 is: 44,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,577.60 : 119,323.04 = 29,655.68 : x
  2. Step 2: Convert to fraction form
    79,577.60/119,323.04 = 29,655.68/x
  3. Step 3: Cross multiply
    79,577.60x = 119,323.04 × 29,655.68
  4. Step 4: Simplify right side
    79,577.60x = 3,538,605,890.87
  5. Step 5: Solve for x
    x = 3,538,605,890.87/79,577.60
  6. Step 6: Final answer
    x = 44,467.36

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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.