Home / 84,114.09-116,073.54-48,278.88

Finding the Fourth Proportional to 84,114.09, 116,073.54 and 48,278.88

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Solution

The fourth proportional to 84,114.09, 116,073.54 and 48,278.88 is: 66,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,114.09 : 116,073.54 = 48,278.88 : x
  2. Step 2: Convert to fraction form
    84,114.09/116,073.54 = 48,278.88/x
  3. Step 3: Cross multiply
    84,114.09x = 116,073.54 × 48,278.88
  4. Step 4: Simplify right side
    84,114.09x = 5,603,900,508.84
  5. Step 5: Solve for x
    x = 5,603,900,508.84/84,114.09
  6. Step 6: Final answer
    x = 66,622.61

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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.