Home / 80,513.64-111,112.28-44,703.64

Finding the Fourth Proportional to 80,513.64, 111,112.28 and 44,703.64

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Solution

The fourth proportional to 80,513.64, 111,112.28 and 44,703.64 is: 61,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,513.64 : 111,112.28 = 44,703.64 : x
  2. Step 2: Convert to fraction form
    80,513.64/111,112.28 = 44,703.64/x
  3. Step 3: Cross multiply
    80,513.64x = 111,112.28 × 44,703.64
  4. Step 4: Simplify right side
    80,513.64x = 4,967,123,364.70
  5. Step 5: Solve for x
    x = 4,967,123,364.70/80,513.64
  6. Step 6: Final answer
    x = 61,692.94

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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.