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Finding the Fourth Proportional to 73,591.32, 101,524.52 and 57,611.64

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Solution

The fourth proportional to 73,591.32, 101,524.52 and 57,611.64 is: 79,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,591.32 : 101,524.52 = 57,611.64 : x
  2. Step 2: Convert to fraction form
    73,591.32/101,524.52 = 57,611.64/x
  3. Step 3: Cross multiply
    73,591.32x = 101,524.52 × 57,611.64
  4. Step 4: Simplify right side
    73,591.32x = 5,848,994,097.41
  5. Step 5: Solve for x
    x = 5,848,994,097.41/73,591.32
  6. Step 6: Final answer
    x = 79,479.40

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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.