Home / 79,653.24-119,443.08-29,720.04

Finding the Fourth Proportional to 79,653.24, 119,443.08 and 29,720.04

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Solution

The fourth proportional to 79,653.24, 119,443.08 and 29,720.04 is: 44,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,653.24 : 119,443.08 = 29,720.04 : x
  2. Step 2: Convert to fraction form
    79,653.24/119,443.08 = 29,720.04/x
  3. Step 3: Cross multiply
    79,653.24x = 119,443.08 × 29,720.04
  4. Step 4: Simplify right side
    79,653.24x = 3,549,853,115.32
  5. Step 5: Solve for x
    x = 3,549,853,115.32/79,653.24
  6. Step 6: Final answer
    x = 44,566.34

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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.