Home / 75,566.40-113,277.60-28,168.80

Finding the Fourth Proportional to 75,566.40, 113,277.60 and 28,168.80

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Solution

The fourth proportional to 75,566.40, 113,277.60 and 28,168.80 is: 42,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,566.40 : 113,277.60 = 28,168.80 : x
  2. Step 2: Convert to fraction form
    75,566.40/113,277.60 = 28,168.80/x
  3. Step 3: Cross multiply
    75,566.40x = 113,277.60 × 28,168.80
  4. Step 4: Simplify right side
    75,566.40x = 3,190,894,058.88
  5. Step 5: Solve for x
    x = 3,190,894,058.88/75,566.40
  6. Step 6: Final answer
    x = 42,226.36

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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.