Home / 86,074.17-129,111.27-26,910.37

Finding the Fourth Proportional to 86,074.17, 129,111.27 and 26,910.37

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Solution

The fourth proportional to 86,074.17, 129,111.27 and 26,910.37 is: 40,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.17 : 129,111.27 = 26,910.37 : x
  2. Step 2: Convert to fraction form
    86,074.17/129,111.27 = 26,910.37/x
  3. Step 3: Cross multiply
    86,074.17x = 129,111.27 × 26,910.37
  4. Step 4: Simplify right side
    86,074.17x = 3,474,432,046.87
  5. Step 5: Solve for x
    x = 3,474,432,046.87/86,074.17
  6. Step 6: Final answer
    x = 40,365.56

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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.