Home / 99,485.28-149,242.50-29,355.48

Finding the Fourth Proportional to 99,485.28, 149,242.50 and 29,355.48

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Solution

The fourth proportional to 99,485.28, 149,242.50 and 29,355.48 is: 44,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,485.28 : 149,242.50 = 29,355.48 : x
  2. Step 2: Convert to fraction form
    99,485.28/149,242.50 = 29,355.48/x
  3. Step 3: Cross multiply
    99,485.28x = 149,242.50 × 29,355.48
  4. Step 4: Simplify right side
    99,485.28x = 4,381,085,223.90
  5. Step 5: Solve for x
    x = 4,381,085,223.90/99,485.28
  6. Step 6: Final answer
    x = 44,037.52

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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.