Home / 124,900.58-172,366.89-68,311.95

Finding the Fourth Proportional to 124,900.58, 172,366.89 and 68,311.95

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Solution

The fourth proportional to 124,900.58, 172,366.89 and 68,311.95 is: 94,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.58 : 172,366.89 = 68,311.95 : x
  2. Step 2: Convert to fraction form
    124,900.58/172,366.89 = 68,311.95/x
  3. Step 3: Cross multiply
    124,900.58x = 172,366.89 × 68,311.95
  4. Step 4: Simplify right side
    124,900.58x = 11,774,718,371.34
  5. Step 5: Solve for x
    x = 11,774,718,371.34/124,900.58
  6. Step 6: Final answer
    x = 94,272.73

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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.