Home / 99,746.28-149,493.26-43,571.56

Finding the Fourth Proportional to 99,746.28, 149,493.26 and 43,571.56

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Solution

The fourth proportional to 99,746.28, 149,493.26 and 43,571.56 is: 65,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.28 : 149,493.26 = 43,571.56 : x
  2. Step 2: Convert to fraction form
    99,746.28/149,493.26 = 43,571.56/x
  3. Step 3: Cross multiply
    99,746.28x = 149,493.26 × 43,571.56
  4. Step 4: Simplify right side
    99,746.28x = 6,513,654,547.69
  5. Step 5: Solve for x
    x = 6,513,654,547.69/99,746.28
  6. Step 6: Final answer
    x = 65,302.23

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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.