Home / 80,499.47-111,087.59-44,687.34

Finding the Fourth Proportional to 80,499.47, 111,087.59 and 44,687.34

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Solution

The fourth proportional to 80,499.47, 111,087.59 and 44,687.34 is: 61,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,499.47 : 111,087.59 = 44,687.34 : x
  2. Step 2: Convert to fraction form
    80,499.47/111,087.59 = 44,687.34/x
  3. Step 3: Cross multiply
    80,499.47x = 111,087.59 × 44,687.34
  4. Step 4: Simplify right side
    80,499.47x = 4,964,208,680.67
  5. Step 5: Solve for x
    x = 4,964,208,680.67/80,499.47
  6. Step 6: Final answer
    x = 61,667.60

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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.