Home / 125,531.66-173,235.06-68,943.03

Finding the Fourth Proportional to 125,531.66, 173,235.06 and 68,943.03

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Solution

The fourth proportional to 125,531.66, 173,235.06 and 68,943.03 is: 95,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,531.66 : 173,235.06 = 68,943.03 : x
  2. Step 2: Convert to fraction form
    125,531.66/173,235.06 = 68,943.03/x
  3. Step 3: Cross multiply
    125,531.66x = 173,235.06 × 68,943.03
  4. Step 4: Simplify right side
    125,531.66x = 11,943,349,938.63
  5. Step 5: Solve for x
    x = 11,943,349,938.63/125,531.66
  6. Step 6: Final answer
    x = 95,142.13

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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.