Home / 125,402.06-173,054.13-68,815.46

Finding the Fourth Proportional to 125,402.06, 173,054.13 and 68,815.46

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Solution

The fourth proportional to 125,402.06, 173,054.13 and 68,815.46 is: 94,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,402.06 : 173,054.13 = 68,815.46 : x
  2. Step 2: Convert to fraction form
    125,402.06/173,054.13 = 68,815.46/x
  3. Step 3: Cross multiply
    125,402.06x = 173,054.13 × 68,815.46
  4. Step 4: Simplify right side
    125,402.06x = 11,908,799,560.85
  5. Step 5: Solve for x
    x = 11,908,799,560.85/125,402.06
  6. Step 6: Final answer
    x = 94,964.94

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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.