Home / 86,512.25-129,787.59-26,549.06

Finding the Fourth Proportional to 86,512.25, 129,787.59 and 26,549.06

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Solution

The fourth proportional to 86,512.25, 129,787.59 and 26,549.06 is: 39,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,512.25 : 129,787.59 = 26,549.06 : x
  2. Step 2: Convert to fraction form
    86,512.25/129,787.59 = 26,549.06/x
  3. Step 3: Cross multiply
    86,512.25x = 129,787.59 × 26,549.06
  4. Step 4: Simplify right side
    86,512.25x = 3,445,737,865.23
  5. Step 5: Solve for x
    x = 3,445,737,865.23/86,512.25
  6. Step 6: Final answer
    x = 39,829.48

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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.