Home / 76,279.50-114,414.12-26,360.28

Finding the Fourth Proportional to 76,279.50, 114,414.12 and 26,360.28

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Solution

The fourth proportional to 76,279.50, 114,414.12 and 26,360.28 is: 39,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,279.50 : 114,414.12 = 26,360.28 : x
  2. Step 2: Convert to fraction form
    76,279.50/114,414.12 = 26,360.28/x
  3. Step 3: Cross multiply
    76,279.50x = 114,414.12 × 26,360.28
  4. Step 4: Simplify right side
    76,279.50x = 3,015,988,239.15
  5. Step 5: Solve for x
    x = 3,015,988,239.15/76,279.50
  6. Step 6: Final answer
    x = 39,538.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.