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Finding the Fourth Proportional to 75,068.80, 103,584.73 and 44,847.72

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Solution

The fourth proportional to 75,068.80, 103,584.73 and 44,847.72 is: 61,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,068.80 : 103,584.73 = 44,847.72 : x
  2. Step 2: Convert to fraction form
    75,068.80/103,584.73 = 44,847.72/x
  3. Step 3: Cross multiply
    75,068.80x = 103,584.73 × 44,847.72
  4. Step 4: Simplify right side
    75,068.80x = 4,645,538,967.32
  5. Step 5: Solve for x
    x = 4,645,538,967.32/75,068.80
  6. Step 6: Final answer
    x = 61,883.75

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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.