Home / 99,659.19-149,528.61-40,499.49

Finding the Fourth Proportional to 99,659.19, 149,528.61 and 40,499.49

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Solution

The fourth proportional to 99,659.19, 149,528.61 and 40,499.49 is: 60,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,659.19 : 149,528.61 = 40,499.49 : x
  2. Step 2: Convert to fraction form
    99,659.19/149,528.61 = 40,499.49/x
  3. Step 3: Cross multiply
    99,659.19x = 149,528.61 × 40,499.49
  4. Step 4: Simplify right side
    99,659.19x = 6,055,832,445.41
  5. Step 5: Solve for x
    x = 6,055,832,445.41/99,659.19
  6. Step 6: Final answer
    x = 60,765.42

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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.