Home / 75,788.87-113,632.47-36,324.45

Finding the Fourth Proportional to 75,788.87, 113,632.47 and 36,324.45

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Solution

The fourth proportional to 75,788.87, 113,632.47 and 36,324.45 is: 54,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,788.87 : 113,632.47 = 36,324.45 : x
  2. Step 2: Convert to fraction form
    75,788.87/113,632.47 = 36,324.45/x
  3. Step 3: Cross multiply
    75,788.87x = 113,632.47 × 36,324.45
  4. Step 4: Simplify right side
    75,788.87x = 4,127,636,974.89
  5. Step 5: Solve for x
    x = 4,127,636,974.89/75,788.87
  6. Step 6: Final answer
    x = 54,462.31

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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.