Home / 99,854.82-137,799.90-54,533.16

Finding the Fourth Proportional to 99,854.82, 137,799.90 and 54,533.16

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Solution

The fourth proportional to 99,854.82, 137,799.90 and 54,533.16 is: 75,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854.82 : 137,799.90 = 54,533.16 : x
  2. Step 2: Convert to fraction form
    99,854.82/137,799.90 = 54,533.16/x
  3. Step 3: Cross multiply
    99,854.82x = 137,799.90 × 54,533.16
  4. Step 4: Simplify right side
    99,854.82x = 7,514,663,994.68
  5. Step 5: Solve for x
    x = 7,514,663,994.68/99,854.82
  6. Step 6: Final answer
    x = 75,255.90

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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.