Home / 86,500.45-129,754.60-26,524.54

Finding the Fourth Proportional to 86,500.45, 129,754.60 and 26,524.54

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Solution

The fourth proportional to 86,500.45, 129,754.60 and 26,524.54 is: 39,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.45 : 129,754.60 = 26,524.54 : x
  2. Step 2: Convert to fraction form
    86,500.45/129,754.60 = 26,524.54/x
  3. Step 3: Cross multiply
    86,500.45x = 129,754.60 × 26,524.54
  4. Step 4: Simplify right side
    86,500.45x = 3,441,681,173.77
  5. Step 5: Solve for x
    x = 3,441,681,173.77/86,500.45
  6. Step 6: Final answer
    x = 39,788.01

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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.