Home / 108,247.20-149,381.70-60,499.53

Finding the Fourth Proportional to 108,247.20, 149,381.70 and 60,499.53

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Solution

The fourth proportional to 108,247.20, 149,381.70 and 60,499.53 is: 83,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,247.20 : 149,381.70 = 60,499.53 : x
  2. Step 2: Convert to fraction form
    108,247.20/149,381.70 = 60,499.53/x
  3. Step 3: Cross multiply
    108,247.20x = 149,381.70 × 60,499.53
  4. Step 4: Simplify right side
    108,247.20x = 9,037,522,640.60
  5. Step 5: Solve for x
    x = 9,037,522,640.60/108,247.20
  6. Step 6: Final answer
    x = 83,489.67

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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.