Home / 98,680.90-147,083.27-93,076.11

Finding the Fourth Proportional to 98,680.90, 147,083.27 and 93,076.11

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Solution

The fourth proportional to 98,680.90, 147,083.27 and 93,076.11 is: 138,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680.90 : 147,083.27 = 93,076.11 : x
  2. Step 2: Convert to fraction form
    98,680.90/147,083.27 = 93,076.11/x
  3. Step 3: Cross multiply
    98,680.90x = 147,083.27 × 93,076.11
  4. Step 4: Simplify right side
    98,680.90x = 13,689,938,617.68
  5. Step 5: Solve for x
    x = 13,689,938,617.68/98,680.90
  6. Step 6: Final answer
    x = 138,729.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.