Home / 55,293.11-76,280.43-35,139.19

Finding the Fourth Proportional to 55,293.11, 76,280.43 and 35,139.19

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Solution

The fourth proportional to 55,293.11, 76,280.43 and 35,139.19 is: 48,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293.11 : 76,280.43 = 35,139.19 : x
  2. Step 2: Convert to fraction form
    55,293.11/76,280.43 = 35,139.19/x
  3. Step 3: Cross multiply
    55,293.11x = 76,280.43 × 35,139.19
  4. Step 4: Simplify right side
    55,293.11x = 2,680,432,523.05
  5. Step 5: Solve for x
    x = 2,680,432,523.05/55,293.11
  6. Step 6: Final answer
    x = 48,476.79

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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.