Home / 80,028.31-110,437.71-43,728.95

Finding the Fourth Proportional to 80,028.31, 110,437.71 and 43,728.95

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Solution

The fourth proportional to 80,028.31, 110,437.71 and 43,728.95 is: 60,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,028.31 : 110,437.71 = 43,728.95 : x
  2. Step 2: Convert to fraction form
    80,028.31/110,437.71 = 43,728.95/x
  3. Step 3: Cross multiply
    80,028.31x = 110,437.71 × 43,728.95
  4. Step 4: Simplify right side
    80,028.31x = 4,829,325,209.25
  5. Step 5: Solve for x
    x = 4,829,325,209.25/80,028.31
  6. Step 6: Final answer
    x = 60,345.21

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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.