Home / 125,977.76-173,853.30-68,618.81

Finding the Fourth Proportional to 125,977.76, 173,853.30 and 68,618.81

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Solution

The fourth proportional to 125,977.76, 173,853.30 and 68,618.81 is: 94,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.76 : 173,853.30 = 68,618.81 : x
  2. Step 2: Convert to fraction form
    125,977.76/173,853.30 = 68,618.81/x
  3. Step 3: Cross multiply
    125,977.76x = 173,853.30 × 68,618.81
  4. Step 4: Simplify right side
    125,977.76x = 11,929,606,085.94
  5. Step 5: Solve for x
    x = 11,929,606,085.94/125,977.76
  6. Step 6: Final answer
    x = 94,696.13

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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.