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Finding the Fourth Proportional to 80,325.40, 120,617.70 and 60,626.20

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Solution

The fourth proportional to 80,325.40, 120,617.70 and 60,626.20 is: 91,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.40 : 120,617.70 = 60,626.20 : x
  2. Step 2: Convert to fraction form
    80,325.40/120,617.70 = 60,626.20/x
  3. Step 3: Cross multiply
    80,325.40x = 120,617.70 × 60,626.20
  4. Step 4: Simplify right side
    80,325.40x = 7,312,592,803.74
  5. Step 5: Solve for x
    x = 7,312,592,803.74/80,325.40
  6. Step 6: Final answer
    x = 91,037.12

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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.