Home / 123,058.24-169,788.96-75,294.16

Finding the Fourth Proportional to 123,058.24, 169,788.96 and 75,294.16

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Solution

The fourth proportional to 123,058.24, 169,788.96 and 75,294.16 is: 103,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,058.24 : 169,788.96 = 75,294.16 : x
  2. Step 2: Convert to fraction form
    123,058.24/169,788.96 = 75,294.16/x
  3. Step 3: Cross multiply
    123,058.24x = 169,788.96 × 75,294.16
  4. Step 4: Simplify right side
    123,058.24x = 12,784,117,120.47
  5. Step 5: Solve for x
    x = 12,784,117,120.47/123,058.24
  6. Step 6: Final answer
    x = 103,886.72

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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.