Home / 80,685.20-111,334.74-44,868.32

Finding the Fourth Proportional to 80,685.20, 111,334.74 and 44,868.32

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Solution

The fourth proportional to 80,685.20, 111,334.74 and 44,868.32 is: 61,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.20 : 111,334.74 = 44,868.32 : x
  2. Step 2: Convert to fraction form
    80,685.20/111,334.74 = 44,868.32/x
  3. Step 3: Cross multiply
    80,685.20x = 111,334.74 × 44,868.32
  4. Step 4: Simplify right side
    80,685.20x = 4,995,402,184.76
  5. Step 5: Solve for x
    x = 4,995,402,184.76/80,685.20
  6. Step 6: Final answer
    x = 61,912.25

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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.