Home / 99,041.16-136,676.98-54,329.48

Finding the Fourth Proportional to 99,041.16, 136,676.98 and 54,329.48

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Solution

The fourth proportional to 99,041.16, 136,676.98 and 54,329.48 is: 74,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,041.16 : 136,676.98 = 54,329.48 : x
  2. Step 2: Convert to fraction form
    99,041.16/136,676.98 = 54,329.48/x
  3. Step 3: Cross multiply
    99,041.16x = 136,676.98 × 54,329.48
  4. Step 4: Simplify right side
    99,041.16x = 7,425,589,251.37
  5. Step 5: Solve for x
    x = 7,425,589,251.37/99,041.16
  6. Step 6: Final answer
    x = 74,974.78

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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.