Home / 59,263.92-81,748.68-39,121.20

Finding the Fourth Proportional to 59,263.92, 81,748.68 and 39,121.20

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Solution

The fourth proportional to 59,263.92, 81,748.68 and 39,121.20 is: 53,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,263.92 : 81,748.68 = 39,121.20 : x
  2. Step 2: Convert to fraction form
    59,263.92/81,748.68 = 39,121.20/x
  3. Step 3: Cross multiply
    59,263.92x = 81,748.68 × 39,121.20
  4. Step 4: Simplify right side
    59,263.92x = 3,198,106,460.02
  5. Step 5: Solve for x
    x = 3,198,106,460.02/59,263.92
  6. Step 6: Final answer
    x = 53,963.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.