Home / 124,854.17-172,298.75-68,265.54

Finding the Fourth Proportional to 124,854.17, 172,298.75 and 68,265.54

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Solution

The fourth proportional to 124,854.17, 172,298.75 and 68,265.54 is: 94,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,854.17 : 172,298.75 = 68,265.54 : x
  2. Step 2: Convert to fraction form
    124,854.17/172,298.75 = 68,265.54/x
  3. Step 3: Cross multiply
    124,854.17x = 172,298.75 × 68,265.54
  4. Step 4: Simplify right side
    124,854.17x = 11,762,067,380.74
  5. Step 5: Solve for x
    x = 11,762,067,380.74/124,854.17
  6. Step 6: Final answer
    x = 94,206.45

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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.