Home / 65,845.56-98,574.45-40,805.13

Finding the Fourth Proportional to 65,845.56, 98,574.45 and 40,805.13

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Solution

The fourth proportional to 65,845.56, 98,574.45 and 40,805.13 is: 61,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,845.56 : 98,574.45 = 40,805.13 : x
  2. Step 2: Convert to fraction form
    65,845.56/98,574.45 = 40,805.13/x
  3. Step 3: Cross multiply
    65,845.56x = 98,574.45 × 40,805.13
  4. Step 4: Simplify right side
    65,845.56x = 4,022,343,246.93
  5. Step 5: Solve for x
    x = 4,022,343,246.93/65,845.56
  6. Step 6: Final answer
    x = 61,087.54

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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.