Home / 106,925.38-147,589.89-61,633.64

Finding the Fourth Proportional to 106,925.38, 147,589.89 and 61,633.64

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Solution

The fourth proportional to 106,925.38, 147,589.89 and 61,633.64 is: 85,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,925.38 : 147,589.89 = 61,633.64 : x
  2. Step 2: Convert to fraction form
    106,925.38/147,589.89 = 61,633.64/x
  3. Step 3: Cross multiply
    106,925.38x = 147,589.89 × 61,633.64
  4. Step 4: Simplify right side
    106,925.38x = 9,096,501,421.35
  5. Step 5: Solve for x
    x = 9,096,501,421.35/106,925.38
  6. Step 6: Final answer
    x = 85,073.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.