Home / 75,587.10-113,376.90-28,198.48

Finding the Fourth Proportional to 75,587.10, 113,376.90 and 28,198.48

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Solution

The fourth proportional to 75,587.10, 113,376.90 and 28,198.48 is: 42,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,587.10 : 113,376.90 = 28,198.48 : x
  2. Step 2: Convert to fraction form
    75,587.10/113,376.90 = 28,198.48/x
  3. Step 3: Cross multiply
    75,587.10x = 113,376.90 × 28,198.48
  4. Step 4: Simplify right side
    75,587.10x = 3,197,056,247.11
  5. Step 5: Solve for x
    x = 3,197,056,247.11/75,587.10
  6. Step 6: Final answer
    x = 42,296.32

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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.