Home / 80,655.29-111,331.98-48,824.19

Finding the Fourth Proportional to 80,655.29, 111,331.98 and 48,824.19

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Solution

The fourth proportional to 80,655.29, 111,331.98 and 48,824.19 is: 67,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,655.29 : 111,331.98 = 48,824.19 : x
  2. Step 2: Convert to fraction form
    80,655.29/111,331.98 = 48,824.19/x
  3. Step 3: Cross multiply
    80,655.29x = 111,331.98 × 48,824.19
  4. Step 4: Simplify right side
    80,655.29x = 5,435,693,744.60
  5. Step 5: Solve for x
    x = 5,435,693,744.60/80,655.29
  6. Step 6: Final answer
    x = 67,394.14

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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.