Home / 80,591.49-111,218.27-44,784.90

Finding the Fourth Proportional to 80,591.49, 111,218.27 and 44,784.90

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Solution

The fourth proportional to 80,591.49, 111,218.27 and 44,784.90 is: 61,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,591.49 : 111,218.27 = 44,784.90 : x
  2. Step 2: Convert to fraction form
    80,591.49/111,218.27 = 44,784.90/x
  3. Step 3: Cross multiply
    80,591.49x = 111,218.27 × 44,784.90
  4. Step 4: Simplify right side
    80,591.49x = 4,980,898,876.20
  5. Step 5: Solve for x
    x = 4,980,898,876.20/80,591.49
  6. Step 6: Final answer
    x = 61,804.28

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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.