Home / 85,568.55-118,089.03-49,275.39

Finding the Fourth Proportional to 85,568.55, 118,089.03 and 49,275.39

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Solution

The fourth proportional to 85,568.55, 118,089.03 and 49,275.39 is: 68,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,568.55 : 118,089.03 = 49,275.39 : x
  2. Step 2: Convert to fraction form
    85,568.55/118,089.03 = 49,275.39/x
  3. Step 3: Cross multiply
    85,568.55x = 118,089.03 × 49,275.39
  4. Step 4: Simplify right side
    85,568.55x = 5,818,883,007.97
  5. Step 5: Solve for x
    x = 5,818,883,007.97/85,568.55
  6. Step 6: Final answer
    x = 68,002.59

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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.