Home / 84,052.80-115,999.20-48,254.40

Finding the Fourth Proportional to 84,052.80, 115,999.20 and 48,254.40

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Solution

The fourth proportional to 84,052.80, 115,999.20 and 48,254.40 is: 66,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,052.80 : 115,999.20 = 48,254.40 : x
  2. Step 2: Convert to fraction form
    84,052.80/115,999.20 = 48,254.40/x
  3. Step 3: Cross multiply
    84,052.80x = 115,999.20 × 48,254.40
  4. Step 4: Simplify right side
    84,052.80x = 5,597,471,796.48
  5. Step 5: Solve for x
    x = 5,597,471,796.48/84,052.80
  6. Step 6: Final answer
    x = 66,594.71

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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.