Home / 78,037.55-107,692.19-44,047.47

Finding the Fourth Proportional to 78,037.55, 107,692.19 and 44,047.47

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Solution

The fourth proportional to 78,037.55, 107,692.19 and 44,047.47 is: 60,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,037.55 : 107,692.19 = 44,047.47 : x
  2. Step 2: Convert to fraction form
    78,037.55/107,692.19 = 44,047.47/x
  3. Step 3: Cross multiply
    78,037.55x = 107,692.19 × 44,047.47
  4. Step 4: Simplify right side
    78,037.55x = 4,743,568,288.02
  5. Step 5: Solve for x
    x = 4,743,568,288.02/78,037.55
  6. Step 6: Final answer
    x = 60,785.72

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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.