Home / 123,294.33-170,146.04-66,705.71

Finding the Fourth Proportional to 123,294.33, 170,146.04 and 66,705.71

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Solution

The fourth proportional to 123,294.33, 170,146.04 and 66,705.71 is: 92,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,294.33 : 170,146.04 = 66,705.71 : x
  2. Step 2: Convert to fraction form
    123,294.33/170,146.04 = 66,705.71/x
  3. Step 3: Cross multiply
    123,294.33x = 170,146.04 × 66,705.71
  4. Step 4: Simplify right side
    123,294.33x = 11,349,711,217.63
  5. Step 5: Solve for x
    x = 11,349,711,217.63/123,294.33
  6. Step 6: Final answer
    x = 92,053.80

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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.