Home / 60,758.85-91,138.28-45,996.60

Finding the Fourth Proportional to 60,758.85, 91,138.28 and 45,996.60

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Solution

The fourth proportional to 60,758.85, 91,138.28 and 45,996.60 is: 68,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,758.85 : 91,138.28 = 45,996.60 : x
  2. Step 2: Convert to fraction form
    60,758.85/91,138.28 = 45,996.60/x
  3. Step 3: Cross multiply
    60,758.85x = 91,138.28 × 45,996.60
  4. Step 4: Simplify right side
    60,758.85x = 4,192,050,779.87
  5. Step 5: Solve for x
    x = 4,192,050,779.87/60,758.85
  6. Step 6: Final answer
    x = 68,994.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.