Home / 115,669.38-173,425.01-61,642.20

Finding the Fourth Proportional to 115,669.38, 173,425.01 and 61,642.20

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Solution

The fourth proportional to 115,669.38, 173,425.01 and 61,642.20 is: 92,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,669.38 : 173,425.01 = 61,642.20 : x
  2. Step 2: Convert to fraction form
    115,669.38/173,425.01 = 61,642.20/x
  3. Step 3: Cross multiply
    115,669.38x = 173,425.01 × 61,642.20
  4. Step 4: Simplify right side
    115,669.38x = 10,690,298,130.19
  5. Step 5: Solve for x
    x = 10,690,298,130.19/115,669.38
  6. Step 6: Final answer
    x = 92,421.16

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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.