Home / 77,735.42-107,280.29-43,747.16

Finding the Fourth Proportional to 77,735.42, 107,280.29 and 43,747.16

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Solution

The fourth proportional to 77,735.42, 107,280.29 and 43,747.16 is: 60,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,735.42 : 107,280.29 = 43,747.16 : x
  2. Step 2: Convert to fraction form
    77,735.42/107,280.29 = 43,747.16/x
  3. Step 3: Cross multiply
    77,735.42x = 107,280.29 × 43,747.16
  4. Step 4: Simplify right side
    77,735.42x = 4,693,207,584.44
  5. Step 5: Solve for x
    x = 4,693,207,584.44/77,735.42
  6. Step 6: Final answer
    x = 60,374.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.