Home / 79,631.70-119,468.23-29,712.18

Finding the Fourth Proportional to 79,631.70, 119,468.23 and 29,712.18

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Solution

The fourth proportional to 79,631.70, 119,468.23 and 29,712.18 is: 44,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,631.70 : 119,468.23 = 29,712.18 : x
  2. Step 2: Convert to fraction form
    79,631.70/119,468.23 = 29,712.18/x
  3. Step 3: Cross multiply
    79,631.70x = 119,468.23 × 29,712.18
  4. Step 4: Simplify right side
    79,631.70x = 3,549,661,405.48
  5. Step 5: Solve for x
    x = 3,549,661,405.48/79,631.70
  6. Step 6: Final answer
    x = 44,575.98

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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.