Home / 80,875.45-111,608.85-44,574.90

Finding the Fourth Proportional to 80,875.45, 111,608.85 and 44,574.90

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Solution

The fourth proportional to 80,875.45, 111,608.85 and 44,574.90 is: 61,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875.45 : 111,608.85 = 44,574.90 : x
  2. Step 2: Convert to fraction form
    80,875.45/111,608.85 = 44,574.90/x
  3. Step 3: Cross multiply
    80,875.45x = 111,608.85 × 44,574.90
  4. Step 4: Simplify right side
    80,875.45x = 4,974,953,327.87
  5. Step 5: Solve for x
    x = 4,974,953,327.87/80,875.45
  6. Step 6: Final answer
    x = 61,513.76

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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.