Home / 86,099.56-129,150.62-22,920.84

Finding the Fourth Proportional to 86,099.56, 129,150.62 and 22,920.84

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Solution

The fourth proportional to 86,099.56, 129,150.62 and 22,920.84 is: 34,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,099.56 : 129,150.62 = 22,920.84 : x
  2. Step 2: Convert to fraction form
    86,099.56/129,150.62 = 22,920.84/x
  3. Step 3: Cross multiply
    86,099.56x = 129,150.62 × 22,920.84
  4. Step 4: Simplify right side
    86,099.56x = 2,960,240,696.92
  5. Step 5: Solve for x
    x = 2,960,240,696.92/86,099.56
  6. Step 6: Final answer
    x = 34,381.60

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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.