Home / 80,543.78-111,147.36-44,736.10

Finding the Fourth Proportional to 80,543.78, 111,147.36 and 44,736.10

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Solution

The fourth proportional to 80,543.78, 111,147.36 and 44,736.10 is: 61,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,543.78 : 111,147.36 = 44,736.10 : x
  2. Step 2: Convert to fraction form
    80,543.78/111,147.36 = 44,736.10/x
  3. Step 3: Cross multiply
    80,543.78x = 111,147.36 × 44,736.10
  4. Step 4: Simplify right side
    80,543.78x = 4,972,298,966.07
  5. Step 5: Solve for x
    x = 4,972,298,966.07/80,543.78
  6. Step 6: Final answer
    x = 61,734.11

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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.