Home / 86,014.92-129,030.66-33,428.52

Finding the Fourth Proportional to 86,014.92, 129,030.66 and 33,428.52

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Solution

The fourth proportional to 86,014.92, 129,030.66 and 33,428.52 is: 50,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,014.92 : 129,030.66 = 33,428.52 : x
  2. Step 2: Convert to fraction form
    86,014.92/129,030.66 = 33,428.52/x
  3. Step 3: Cross multiply
    86,014.92x = 129,030.66 × 33,428.52
  4. Step 4: Simplify right side
    86,014.92x = 4,313,303,998.42
  5. Step 5: Solve for x
    x = 4,313,303,998.42/86,014.92
  6. Step 6: Final answer
    x = 50,146.00

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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.