Home / 80,557.61-111,169.56-44,261.40

Finding the Fourth Proportional to 80,557.61, 111,169.56 and 44,261.40

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Solution

The fourth proportional to 80,557.61, 111,169.56 and 44,261.40 is: 61,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,557.61 : 111,169.56 = 44,261.40 : x
  2. Step 2: Convert to fraction form
    80,557.61/111,169.56 = 44,261.40/x
  3. Step 3: Cross multiply
    80,557.61x = 111,169.56 × 44,261.40
  4. Step 4: Simplify right side
    80,557.61x = 4,920,520,362.98
  5. Step 5: Solve for x
    x = 4,920,520,362.98/80,557.61
  6. Step 6: Final answer
    x = 61,080.76

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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.