Home / 98,844.85-136,403.38-55,237.77

Finding the Fourth Proportional to 98,844.85, 136,403.38 and 55,237.77

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Solution

The fourth proportional to 98,844.85, 136,403.38 and 55,237.77 is: 76,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,844.85 : 136,403.38 = 55,237.77 : x
  2. Step 2: Convert to fraction form
    98,844.85/136,403.38 = 55,237.77/x
  3. Step 3: Cross multiply
    98,844.85x = 136,403.38 × 55,237.77
  4. Step 4: Simplify right side
    98,844.85x = 7,534,618,531.66
  5. Step 5: Solve for x
    x = 7,534,618,531.66/98,844.85
  6. Step 6: Final answer
    x = 76,226.72

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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.