Home / 78,964.28-108,975.90-44,517.50

Finding the Fourth Proportional to 78,964.28, 108,975.90 and 44,517.50

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Solution

The fourth proportional to 78,964.28, 108,975.90 and 44,517.50 is: 61,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,964.28 : 108,975.90 = 44,517.50 : x
  2. Step 2: Convert to fraction form
    78,964.28/108,975.90 = 44,517.50/x
  3. Step 3: Cross multiply
    78,964.28x = 108,975.90 × 44,517.50
  4. Step 4: Simplify right side
    78,964.28x = 4,851,334,628.25
  5. Step 5: Solve for x
    x = 4,851,334,628.25/78,964.28
  6. Step 6: Final answer
    x = 61,437.08

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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.