Home / 86,207.53-129,305.92-41,260.81

Finding the Fourth Proportional to 86,207.53, 129,305.92 and 41,260.81

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Solution

The fourth proportional to 86,207.53, 129,305.92 and 41,260.81 is: 61,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207.53 : 129,305.92 = 41,260.81 : x
  2. Step 2: Convert to fraction form
    86,207.53/129,305.92 = 41,260.81/x
  3. Step 3: Cross multiply
    86,207.53x = 129,305.92 × 41,260.81
  4. Step 4: Simplify right side
    86,207.53x = 5,335,266,997.00
  5. Step 5: Solve for x
    x = 5,335,266,997.00/86,207.53
  6. Step 6: Final answer
    x = 61,888.64

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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.