Home / 86,036.32-129,062.46-33,449.80

Finding the Fourth Proportional to 86,036.32, 129,062.46 and 33,449.80

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Solution

The fourth proportional to 86,036.32, 129,062.46 and 33,449.80 is: 50,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,036.32 : 129,062.46 = 33,449.80 : x
  2. Step 2: Convert to fraction form
    86,036.32/129,062.46 = 33,449.80/x
  3. Step 3: Cross multiply
    86,036.32x = 129,062.46 × 33,449.80
  4. Step 4: Simplify right side
    86,036.32x = 4,317,113,474.51
  5. Step 5: Solve for x
    x = 4,317,113,474.51/86,036.32
  6. Step 6: Final answer
    x = 50,177.80

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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.