Home / 86,823.46-130,240.25-33,515.71

Finding the Fourth Proportional to 86,823.46, 130,240.25 and 33,515.71

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Solution

The fourth proportional to 86,823.46, 130,240.25 and 33,515.71 is: 50,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,823.46 : 130,240.25 = 33,515.71 : x
  2. Step 2: Convert to fraction form
    86,823.46/130,240.25 = 33,515.71/x
  3. Step 3: Cross multiply
    86,823.46x = 130,240.25 × 33,515.71
  4. Step 4: Simplify right side
    86,823.46x = 4,365,094,449.33
  5. Step 5: Solve for x
    x = 4,365,094,449.33/86,823.46
  6. Step 6: Final answer
    x = 50,275.52

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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.