Home / 69,307.20-103,895.28-63,144

Finding the Fourth Proportional to 69,307.20, 103,895.28 and 63,144

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Solution

The fourth proportional to 69,307.20, 103,895.28 and 63,144 is: 94,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.20 : 103,895.28 = 63,144 : x
  2. Step 2: Convert to fraction form
    69,307.20/103,895.28 = 63,144/x
  3. Step 3: Cross multiply
    69,307.20x = 103,895.28 × 63,144
  4. Step 4: Simplify right side
    69,307.20x = 6,560,363,560.32
  5. Step 5: Solve for x
    x = 6,560,363,560.32/69,307.20
  6. Step 6: Final answer
    x = 94,656.31

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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.