Home / 86,422.06-129,544.06-33,099.49

Finding the Fourth Proportional to 86,422.06, 129,544.06 and 33,099.49

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Solution

The fourth proportional to 86,422.06, 129,544.06 and 33,099.49 is: 49,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,422.06 : 129,544.06 = 33,099.49 : x
  2. Step 2: Convert to fraction form
    86,422.06/129,544.06 = 33,099.49/x
  3. Step 3: Cross multiply
    86,422.06x = 129,544.06 × 33,099.49
  4. Step 4: Simplify right side
    86,422.06x = 4,287,842,318.53
  5. Step 5: Solve for x
    x = 4,287,842,318.53/86,422.06
  6. Step 6: Final answer
    x = 49,615.14

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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.