Home / 106,930.65-147,601.17-61,626.72

Finding the Fourth Proportional to 106,930.65, 147,601.17 and 61,626.72

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Solution

The fourth proportional to 106,930.65, 147,601.17 and 61,626.72 is: 85,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,930.65 : 147,601.17 = 61,626.72 : x
  2. Step 2: Convert to fraction form
    106,930.65/147,601.17 = 61,626.72/x
  3. Step 3: Cross multiply
    106,930.65x = 147,601.17 × 61,626.72
  4. Step 4: Simplify right side
    106,930.65x = 9,096,175,667.13
  5. Step 5: Solve for x
    x = 9,096,175,667.13/106,930.65
  6. Step 6: Final answer
    x = 85,066.12

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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.