Home / 77,044.29-106,351.95-50,209.80

Finding the Fourth Proportional to 77,044.29, 106,351.95 and 50,209.80

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Solution

The fourth proportional to 77,044.29, 106,351.95 and 50,209.80 is: 69,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,044.29 : 106,351.95 = 50,209.80 : x
  2. Step 2: Convert to fraction form
    77,044.29/106,351.95 = 50,209.80/x
  3. Step 3: Cross multiply
    77,044.29x = 106,351.95 × 50,209.80
  4. Step 4: Simplify right side
    77,044.29x = 5,339,910,139.11
  5. Step 5: Solve for x
    x = 5,339,910,139.11/77,044.29
  6. Step 6: Final answer
    x = 69,309.62

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1.5x scale

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.