Home / 51,546.60-77,147.10-45,325.80

Finding the Fourth Proportional to 51,546.60, 77,147.10 and 45,325.80

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Solution

The fourth proportional to 51,546.60, 77,147.10 and 45,325.80 is: 67,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,546.60 : 77,147.10 = 45,325.80 : x
  2. Step 2: Convert to fraction form
    51,546.60/77,147.10 = 45,325.80/x
  3. Step 3: Cross multiply
    51,546.60x = 77,147.10 × 45,325.80
  4. Step 4: Simplify right side
    51,546.60x = 3,496,754,025.18
  5. Step 5: Solve for x
    x = 3,496,754,025.18/51,546.60
  6. Step 6: Final answer
    x = 67,836.75

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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.