Home / 84,052.20-116,011.80-52,245.12

Finding the Fourth Proportional to 84,052.20, 116,011.80 and 52,245.12

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Solution

The fourth proportional to 84,052.20, 116,011.80 and 52,245.12 is: 72,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,052.20 : 116,011.80 = 52,245.12 : x
  2. Step 2: Convert to fraction form
    84,052.20/116,011.80 = 52,245.12/x
  3. Step 3: Cross multiply
    84,052.20x = 116,011.80 × 52,245.12
  4. Step 4: Simplify right side
    84,052.20x = 6,061,050,412.42
  5. Step 5: Solve for x
    x = 6,061,050,412.42/84,052.20
  6. Step 6: Final answer
    x = 72,110.55

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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.