Home / 86,228.77-129,362.62-26,262.61

Finding the Fourth Proportional to 86,228.77, 129,362.62 and 26,262.61

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Solution

The fourth proportional to 86,228.77, 129,362.62 and 26,262.61 is: 39,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,228.77 : 129,362.62 = 26,262.61 : x
  2. Step 2: Convert to fraction form
    86,228.77/129,362.62 = 26,262.61/x
  3. Step 3: Cross multiply
    86,228.77x = 129,362.62 × 26,262.61
  4. Step 4: Simplify right side
    86,228.77x = 3,397,400,425.48
  5. Step 5: Solve for x
    x = 3,397,400,425.48/86,228.77
  6. Step 6: Final answer
    x = 39,399.85

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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.