Home / 99,503.35-137,317.08-54,183.82

Finding the Fourth Proportional to 99,503.35, 137,317.08 and 54,183.82

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Solution

The fourth proportional to 99,503.35, 137,317.08 and 54,183.82 is: 74,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,503.35 : 137,317.08 = 54,183.82 : x
  2. Step 2: Convert to fraction form
    99,503.35/137,317.08 = 54,183.82/x
  3. Step 3: Cross multiply
    99,503.35x = 137,317.08 × 54,183.82
  4. Step 4: Simplify right side
    99,503.35x = 7,440,363,945.65
  5. Step 5: Solve for x
    x = 7,440,363,945.65/99,503.35
  6. Step 6: Final answer
    x = 74,775.01

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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.