Home / 59,980.11-89,949.68-43,290.57

Finding the Fourth Proportional to 59,980.11, 89,949.68 and 43,290.57

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Solution

The fourth proportional to 59,980.11, 89,949.68 and 43,290.57 is: 64,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,980.11 : 89,949.68 = 43,290.57 : x
  2. Step 2: Convert to fraction form
    59,980.11/89,949.68 = 43,290.57/x
  3. Step 3: Cross multiply
    59,980.11x = 89,949.68 × 43,290.57
  4. Step 4: Simplify right side
    59,980.11x = 3,893,972,918.52
  5. Step 5: Solve for x
    x = 3,893,972,918.52/59,980.11
  6. Step 6: Final answer
    x = 64,921.07

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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.