Home / 99,943.27-149,938.40-32,475.06

Finding the Fourth Proportional to 99,943.27, 149,938.40 and 32,475.06

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Solution

The fourth proportional to 99,943.27, 149,938.40 and 32,475.06 is: 48,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,943.27 : 149,938.40 = 32,475.06 : x
  2. Step 2: Convert to fraction form
    99,943.27/149,938.40 = 32,475.06/x
  3. Step 3: Cross multiply
    99,943.27x = 149,938.40 × 32,475.06
  4. Step 4: Simplify right side
    99,943.27x = 4,869,258,617.49
  5. Step 5: Solve for x
    x = 4,869,258,617.49/99,943.27
  6. Step 6: Final answer
    x = 48,720.23

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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.