Home / 86,260.75-129,391.13-23,931.25

Finding the Fourth Proportional to 86,260.75, 129,391.13 and 23,931.25

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Solution

The fourth proportional to 86,260.75, 129,391.13 and 23,931.25 is: 35,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,260.75 : 129,391.13 = 23,931.25 : x
  2. Step 2: Convert to fraction form
    86,260.75/129,391.13 = 23,931.25/x
  3. Step 3: Cross multiply
    86,260.75x = 129,391.13 × 23,931.25
  4. Step 4: Simplify right side
    86,260.75x = 3,096,491,479.81
  5. Step 5: Solve for x
    x = 3,096,491,479.81/86,260.75
  6. Step 6: Final answer
    x = 35,896.88

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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.