Home / 55,654.28-76,820.34-35,511.12

Finding the Fourth Proportional to 55,654.28, 76,820.34 and 35,511.12

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Solution

The fourth proportional to 55,654.28, 76,820.34 and 35,511.12 is: 49,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,654.28 : 76,820.34 = 35,511.12 : x
  2. Step 2: Convert to fraction form
    55,654.28/76,820.34 = 35,511.12/x
  3. Step 3: Cross multiply
    55,654.28x = 76,820.34 × 35,511.12
  4. Step 4: Simplify right side
    55,654.28x = 2,727,976,445.35
  5. Step 5: Solve for x
    x = 2,727,976,445.35/55,654.28
  6. Step 6: Final answer
    x = 49,016.47

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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.