Home / 80,745.10-111,426.73-44,934.78

Finding the Fourth Proportional to 80,745.10, 111,426.73 and 44,934.78

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Solution

The fourth proportional to 80,745.10, 111,426.73 and 44,934.78 is: 62,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,745.10 : 111,426.73 = 44,934.78 : x
  2. Step 2: Convert to fraction form
    80,745.10/111,426.73 = 44,934.78/x
  3. Step 3: Cross multiply
    80,745.10x = 111,426.73 × 44,934.78
  4. Step 4: Simplify right side
    80,745.10x = 5,006,935,598.67
  5. Step 5: Solve for x
    x = 5,006,935,598.67/80,745.10
  6. Step 6: Final answer
    x = 62,009.16

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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.