Home / 99,920.44-149,954.57-47,330.04

Finding the Fourth Proportional to 99,920.44, 149,954.57 and 47,330.04

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Solution

The fourth proportional to 99,920.44, 149,954.57 and 47,330.04 is: 71,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,920.44 : 149,954.57 = 47,330.04 : x
  2. Step 2: Convert to fraction form
    99,920.44/149,954.57 = 47,330.04/x
  3. Step 3: Cross multiply
    99,920.44x = 149,954.57 × 47,330.04
  4. Step 4: Simplify right side
    99,920.44x = 7,097,355,796.28
  5. Step 5: Solve for x
    x = 7,097,355,796.28/99,920.44
  6. Step 6: Final answer
    x = 71,030.07

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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.