Home / 86,501.17-129,824.66-33,947.56

Finding the Fourth Proportional to 86,501.17, 129,824.66 and 33,947.56

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Solution

The fourth proportional to 86,501.17, 129,824.66 and 33,947.56 is: 50,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.17 : 129,824.66 = 33,947.56 : x
  2. Step 2: Convert to fraction form
    86,501.17/129,824.66 = 33,947.56/x
  3. Step 3: Cross multiply
    86,501.17x = 129,824.66 × 33,947.56
  4. Step 4: Simplify right side
    86,501.17x = 4,407,230,434.83
  5. Step 5: Solve for x
    x = 4,407,230,434.83/86,501.17
  6. Step 6: Final answer
    x = 50,949.95

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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.