Home / 54,492.75-81,717.26-26,389.80

Finding the Fourth Proportional to 54,492.75, 81,717.26 and 26,389.80

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Solution

The fourth proportional to 54,492.75, 81,717.26 and 26,389.80 is: 39,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492.75 : 81,717.26 = 26,389.80 : x
  2. Step 2: Convert to fraction form
    54,492.75/81,717.26 = 26,389.80/x
  3. Step 3: Cross multiply
    54,492.75x = 81,717.26 × 26,389.80
  4. Step 4: Simplify right side
    54,492.75x = 2,156,502,016.00
  5. Step 5: Solve for x
    x = 2,156,502,016.00/54,492.75
  6. Step 6: Final answer
    x = 39,574.11

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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.