Home / 55,279.68-76,298.28-35,132.64

Finding the Fourth Proportional to 55,279.68, 76,298.28 and 35,132.64

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Solution

The fourth proportional to 55,279.68, 76,298.28 and 35,132.64 is: 48,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,279.68 : 76,298.28 = 35,132.64 : x
  2. Step 2: Convert to fraction form
    55,279.68/76,298.28 = 35,132.64/x
  3. Step 3: Cross multiply
    55,279.68x = 76,298.28 × 35,132.64
  4. Step 4: Simplify right side
    55,279.68x = 2,680,560,003.86
  5. Step 5: Solve for x
    x = 2,680,560,003.86/55,279.68
  6. Step 6: Final answer
    x = 48,490.87

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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.