Home / 78,240.24-117,065.12-44,975.97

Finding the Fourth Proportional to 78,240.24, 117,065.12 and 44,975.97

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Solution

The fourth proportional to 78,240.24, 117,065.12 and 44,975.97 is: 67,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,240.24 : 117,065.12 = 44,975.97 : x
  2. Step 2: Convert to fraction form
    78,240.24/117,065.12 = 44,975.97/x
  3. Step 3: Cross multiply
    78,240.24x = 117,065.12 × 44,975.97
  4. Step 4: Simplify right side
    78,240.24x = 5,265,117,100.29
  5. Step 5: Solve for x
    x = 5,265,117,100.29/78,240.24
  6. Step 6: Final answer
    x = 67,294.24

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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.