Home / 86,324.59-129,503.22-33,730.75

Finding the Fourth Proportional to 86,324.59, 129,503.22 and 33,730.75

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Solution

The fourth proportional to 86,324.59, 129,503.22 and 33,730.75 is: 50,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,324.59 : 129,503.22 = 33,730.75 : x
  2. Step 2: Convert to fraction form
    86,324.59/129,503.22 = 33,730.75/x
  3. Step 3: Cross multiply
    86,324.59x = 129,503.22 × 33,730.75
  4. Step 4: Simplify right side
    86,324.59x = 4,368,240,738.02
  5. Step 5: Solve for x
    x = 4,368,240,738.02/86,324.59
  6. Step 6: Final answer
    x = 50,602.51

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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.