Home / 75,442.86-113,137.56-22,120.02

Finding the Fourth Proportional to 75,442.86, 113,137.56 and 22,120.02

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Solution

The fourth proportional to 75,442.86, 113,137.56 and 22,120.02 is: 33,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,442.86 : 113,137.56 = 22,120.02 : x
  2. Step 2: Convert to fraction form
    75,442.86/113,137.56 = 22,120.02/x
  3. Step 3: Cross multiply
    75,442.86x = 113,137.56 × 22,120.02
  4. Step 4: Simplify right side
    75,442.86x = 2,502,605,089.95
  5. Step 5: Solve for x
    x = 2,502,605,089.95/75,442.86
  6. Step 6: Final answer
    x = 33,172.19

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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.