Home / 80,723.84-111,399.45-44,915.36

Finding the Fourth Proportional to 80,723.84, 111,399.45 and 44,915.36

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Solution

The fourth proportional to 80,723.84, 111,399.45 and 44,915.36 is: 61,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,723.84 : 111,399.45 = 44,915.36 : x
  2. Step 2: Convert to fraction form
    80,723.84/111,399.45 = 44,915.36/x
  3. Step 3: Cross multiply
    80,723.84x = 111,399.45 × 44,915.36
  4. Step 4: Simplify right side
    80,723.84x = 5,003,546,400.55
  5. Step 5: Solve for x
    x = 5,003,546,400.55/80,723.84
  6. Step 6: Final answer
    x = 61,983.50

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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.