Home / 68,087.76-93,961.10-38,279.76

Finding the Fourth Proportional to 68,087.76, 93,961.10 and 38,279.76

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Solution

The fourth proportional to 68,087.76, 93,961.10 and 38,279.76 is: 52,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.76 : 93,961.10 = 38,279.76 : x
  2. Step 2: Convert to fraction form
    68,087.76/93,961.10 = 38,279.76/x
  3. Step 3: Cross multiply
    68,087.76x = 93,961.10 × 38,279.76
  4. Step 4: Simplify right side
    68,087.76x = 3,596,808,357.34
  5. Step 5: Solve for x
    x = 3,596,808,357.34/68,087.76
  6. Step 6: Final answer
    x = 52,826.06

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1.5x scale

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.