Home / 86,087.14-129,138.16-23,757.64

Finding the Fourth Proportional to 86,087.14, 129,138.16 and 23,757.64

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Solution

The fourth proportional to 86,087.14, 129,138.16 and 23,757.64 is: 35,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,087.14 : 129,138.16 = 23,757.64 : x
  2. Step 2: Convert to fraction form
    86,087.14/129,138.16 = 23,757.64/x
  3. Step 3: Cross multiply
    86,087.14x = 129,138.16 × 23,757.64
  4. Step 4: Simplify right side
    86,087.14x = 3,068,017,915.54
  5. Step 5: Solve for x
    x = 3,068,017,915.54/86,087.14
  6. Step 6: Final answer
    x = 35,638.52

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1.5x scale

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.