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Finding the Fourth Proportional to 69,972.95, 96,559.03 and 39,754.08

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Solution

The fourth proportional to 69,972.95, 96,559.03 and 39,754.08 is: 54,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.95 : 96,559.03 = 39,754.08 : x
  2. Step 2: Convert to fraction form
    69,972.95/96,559.03 = 39,754.08/x
  3. Step 3: Cross multiply
    69,972.95x = 96,559.03 × 39,754.08
  4. Step 4: Simplify right side
    69,972.95x = 3,838,615,303.96
  5. Step 5: Solve for x
    x = 3,838,615,303.96/69,972.95
  6. Step 6: Final answer
    x = 54,858.56

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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.