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Finding the Fourth Proportional to 75,810.44, 113,599.02 and 44,611.40

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Solution

The fourth proportional to 75,810.44, 113,599.02 and 44,611.40 is: 66,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,810.44 : 113,599.02 = 44,611.40 : x
  2. Step 2: Convert to fraction form
    75,810.44/113,599.02 = 44,611.40/x
  3. Step 3: Cross multiply
    75,810.44x = 113,599.02 × 44,611.40
  4. Step 4: Simplify right side
    75,810.44x = 5,067,811,320.83
  5. Step 5: Solve for x
    x = 5,067,811,320.83/75,810.44
  6. Step 6: Final answer
    x = 66,848.46

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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.