Home / 98,772.75-136,306.40-54,060.75

Finding the Fourth Proportional to 98,772.75, 136,306.40 and 54,060.75

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Solution

The fourth proportional to 98,772.75, 136,306.40 and 54,060.75 is: 74,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,772.75 : 136,306.40 = 54,060.75 : x
  2. Step 2: Convert to fraction form
    98,772.75/136,306.40 = 54,060.75/x
  3. Step 3: Cross multiply
    98,772.75x = 136,306.40 × 54,060.75
  4. Step 4: Simplify right side
    98,772.75x = 7,368,826,213.80
  5. Step 5: Solve for x
    x = 7,368,826,213.80/98,772.75
  6. Step 6: Final answer
    x = 74,603.84

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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.