Home / 115,167.24-172,843.02-59,779.08

Finding the Fourth Proportional to 115,167.24, 172,843.02 and 59,779.08

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Solution

The fourth proportional to 115,167.24, 172,843.02 and 59,779.08 is: 89,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,167.24 : 172,843.02 = 59,779.08 : x
  2. Step 2: Convert to fraction form
    115,167.24/172,843.02 = 59,779.08/x
  3. Step 3: Cross multiply
    115,167.24x = 172,843.02 × 59,779.08
  4. Step 4: Simplify right side
    115,167.24x = 10,332,396,720.02
  5. Step 5: Solve for x
    x = 10,332,396,720.02/115,167.24
  6. Step 6: Final answer
    x = 89,716.46

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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.