Home / 75,276.15-103,851.43-43,438.89

Finding the Fourth Proportional to 75,276.15, 103,851.43 and 43,438.89

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Solution

The fourth proportional to 75,276.15, 103,851.43 and 43,438.89 is: 59,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.15 : 103,851.43 = 43,438.89 : x
  2. Step 2: Convert to fraction form
    75,276.15/103,851.43 = 43,438.89/x
  3. Step 3: Cross multiply
    75,276.15x = 103,851.43 × 43,438.89
  4. Step 4: Simplify right side
    75,276.15x = 4,511,190,844.11
  5. Step 5: Solve for x
    x = 4,511,190,844.11/75,276.15
  6. Step 6: Final answer
    x = 59,928.55

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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.