Home / 99,829.19-137,763.24-54,507.04

Finding the Fourth Proportional to 99,829.19, 137,763.24 and 54,507.04

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Solution

The fourth proportional to 99,829.19, 137,763.24 and 54,507.04 is: 75,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,829.19 : 137,763.24 = 54,507.04 : x
  2. Step 2: Convert to fraction form
    99,829.19/137,763.24 = 54,507.04/x
  3. Step 3: Cross multiply
    99,829.19x = 137,763.24 × 54,507.04
  4. Step 4: Simplify right side
    99,829.19x = 7,509,065,744.39
  5. Step 5: Solve for x
    x = 7,509,065,744.39/99,829.19
  6. Step 6: Final answer
    x = 75,219.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.