Home / 50,974.06-70,342.68-28,618.06

Finding the Fourth Proportional to 50,974.06, 70,342.68 and 28,618.06

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Solution

The fourth proportional to 50,974.06, 70,342.68 and 28,618.06 is: 39,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,974.06 : 70,342.68 = 28,618.06 : x
  2. Step 2: Convert to fraction form
    50,974.06/70,342.68 = 28,618.06/x
  3. Step 3: Cross multiply
    50,974.06x = 70,342.68 × 28,618.06
  4. Step 4: Simplify right side
    50,974.06x = 2,013,071,036.80
  5. Step 5: Solve for x
    x = 2,013,071,036.80/50,974.06
  6. Step 6: Final answer
    x = 39,492.07

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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.