Home / 55,079.38-76,010.14-29,928.88

Finding the Fourth Proportional to 55,079.38, 76,010.14 and 29,928.88

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Solution

The fourth proportional to 55,079.38, 76,010.14 and 29,928.88 is: 41,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.38 : 76,010.14 = 29,928.88 : x
  2. Step 2: Convert to fraction form
    55,079.38/76,010.14 = 29,928.88/x
  3. Step 3: Cross multiply
    55,079.38x = 76,010.14 × 29,928.88
  4. Step 4: Simplify right side
    55,079.38x = 2,274,898,358.84
  5. Step 5: Solve for x
    x = 2,274,898,358.84/55,079.38
  6. Step 6: Final answer
    x = 41,302.18

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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.