Home / 106,926.28-147,565.11-61,603.42

Finding the Fourth Proportional to 106,926.28, 147,565.11 and 61,603.42

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Solution

The fourth proportional to 106,926.28, 147,565.11 and 61,603.42 is: 85,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,926.28 : 147,565.11 = 61,603.42 : x
  2. Step 2: Convert to fraction form
    106,926.28/147,565.11 = 61,603.42/x
  3. Step 3: Cross multiply
    106,926.28x = 147,565.11 × 61,603.42
  4. Step 4: Simplify right side
    106,926.28x = 9,090,515,448.68
  5. Step 5: Solve for x
    x = 9,090,515,448.68/106,926.28
  6. Step 6: Final answer
    x = 85,016.66

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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.