Home / 69,281.28-103,884.93-35,967.78

Finding the Fourth Proportional to 69,281.28, 103,884.93 and 35,967.78

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Solution

The fourth proportional to 69,281.28, 103,884.93 and 35,967.78 is: 53,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,281.28 : 103,884.93 = 35,967.78 : x
  2. Step 2: Convert to fraction form
    69,281.28/103,884.93 = 35,967.78/x
  3. Step 3: Cross multiply
    69,281.28x = 103,884.93 × 35,967.78
  4. Step 4: Simplify right side
    69,281.28x = 3,736,510,307.56
  5. Step 5: Solve for x
    x = 3,736,510,307.56/69,281.28
  6. Step 6: Final answer
    x = 53,932.47

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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.