Home / 82,916.35-114,389.09-54,186.15

Finding the Fourth Proportional to 82,916.35, 114,389.09 and 54,186.15

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Solution

The fourth proportional to 82,916.35, 114,389.09 and 54,186.15 is: 74,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,916.35 : 114,389.09 = 54,186.15 : x
  2. Step 2: Convert to fraction form
    82,916.35/114,389.09 = 54,186.15/x
  3. Step 3: Cross multiply
    82,916.35x = 114,389.09 × 54,186.15
  4. Step 4: Simplify right side
    82,916.35x = 6,198,303,817.16
  5. Step 5: Solve for x
    x = 6,198,303,817.16/82,916.35
  6. Step 6: Final answer
    x = 74,753.70

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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.