Home / 124,385.19-171,656.31-67,796.56

Finding the Fourth Proportional to 124,385.19, 171,656.31 and 67,796.56

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Solution

The fourth proportional to 124,385.19, 171,656.31 and 67,796.56 is: 93,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,385.19 : 171,656.31 = 67,796.56 : x
  2. Step 2: Convert to fraction form
    124,385.19/171,656.31 = 67,796.56/x
  3. Step 3: Cross multiply
    124,385.19x = 171,656.31 × 67,796.56
  4. Step 4: Simplify right side
    124,385.19x = 11,637,707,789.10
  5. Step 5: Solve for x
    x = 11,637,707,789.10/124,385.19
  6. Step 6: Final answer
    x = 93,561.85

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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.