Home / 123,580.23-170,534.09-69,862.04

Finding the Fourth Proportional to 123,580.23, 170,534.09 and 69,862.04

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Solution

The fourth proportional to 123,580.23, 170,534.09 and 69,862.04 is: 96,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,580.23 : 170,534.09 = 69,862.04 : x
  2. Step 2: Convert to fraction form
    123,580.23/170,534.09 = 69,862.04/x
  3. Step 3: Cross multiply
    123,580.23x = 170,534.09 × 69,862.04
  4. Step 4: Simplify right side
    123,580.23x = 11,913,858,641.30
  5. Step 5: Solve for x
    x = 11,913,858,641.30/123,580.23
  6. Step 6: Final answer
    x = 96,405.87

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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.