Home / 98,680.03-147,767.78-54,257.94

Finding the Fourth Proportional to 98,680.03, 147,767.78 and 54,257.94

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Solution

The fourth proportional to 98,680.03, 147,767.78 and 54,257.94 is: 81,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680.03 : 147,767.78 = 54,257.94 : x
  2. Step 2: Convert to fraction form
    98,680.03/147,767.78 = 54,257.94/x
  3. Step 3: Cross multiply
    98,680.03x = 147,767.78 × 54,257.94
  4. Step 4: Simplify right side
    98,680.03x = 8,017,575,476.82
  5. Step 5: Solve for x
    x = 8,017,575,476.82/98,680.03
  6. Step 6: Final answer
    x = 81,248.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.