Home / 125,401.29-173,053.31-68,813.61

Finding the Fourth Proportional to 125,401.29, 173,053.31 and 68,813.61

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Solution

The fourth proportional to 125,401.29, 173,053.31 and 68,813.61 is: 94,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,401.29 : 173,053.31 = 68,813.61 : x
  2. Step 2: Convert to fraction form
    125,401.29/173,053.31 = 68,813.61/x
  3. Step 3: Cross multiply
    125,401.29x = 173,053.31 × 68,813.61
  4. Step 4: Simplify right side
    125,401.29x = 11,908,422,639.48
  5. Step 5: Solve for x
    x = 11,908,422,639.48/125,401.29
  6. Step 6: Final answer
    x = 94,962.52

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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.