Home / 54,652.14-81,981.17-17,215.16

Finding the Fourth Proportional to 54,652.14, 81,981.17 and 17,215.16

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Solution

The fourth proportional to 54,652.14, 81,981.17 and 17,215.16 is: 25,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652.14 : 81,981.17 = 17,215.16 : x
  2. Step 2: Convert to fraction form
    54,652.14/81,981.17 = 17,215.16/x
  3. Step 3: Cross multiply
    54,652.14x = 81,981.17 × 17,215.16
  4. Step 4: Simplify right side
    54,652.14x = 1,411,318,462.56
  5. Step 5: Solve for x
    x = 1,411,318,462.56/54,652.14
  6. Step 6: Final answer
    x = 25,823.66

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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.