Home / 80,749.27-111,432.89-44,939.28

Finding the Fourth Proportional to 80,749.27, 111,432.89 and 44,939.28

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Solution

The fourth proportional to 80,749.27, 111,432.89 and 44,939.28 is: 62,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749.27 : 111,432.89 = 44,939.28 : x
  2. Step 2: Convert to fraction form
    80,749.27/111,432.89 = 44,939.28/x
  3. Step 3: Cross multiply
    80,749.27x = 111,432.89 × 44,939.28
  4. Step 4: Simplify right side
    80,749.27x = 5,007,714,312.59
  5. Step 5: Solve for x
    x = 5,007,714,312.59/80,749.27
  6. Step 6: Final answer
    x = 62,015.60

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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.