Home / 71,888.58-107,848.67-21,972.53

Finding the Fourth Proportional to 71,888.58, 107,848.67 and 21,972.53

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Solution

The fourth proportional to 71,888.58, 107,848.67 and 21,972.53 is: 32,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,888.58 : 107,848.67 = 21,972.53 : x
  2. Step 2: Convert to fraction form
    71,888.58/107,848.67 = 21,972.53/x
  3. Step 3: Cross multiply
    71,888.58x = 107,848.67 × 21,972.53
  4. Step 4: Simplify right side
    71,888.58x = 2,369,708,296.79
  5. Step 5: Solve for x
    x = 2,369,708,296.79/71,888.58
  6. Step 6: Final answer
    x = 32,963.63

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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.