Home / 83,916.36-125,874.48-57,541.14

Finding the Fourth Proportional to 83,916.36, 125,874.48 and 57,541.14

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Solution

The fourth proportional to 83,916.36, 125,874.48 and 57,541.14 is: 86,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,916.36 : 125,874.48 = 57,541.14 : x
  2. Step 2: Convert to fraction form
    83,916.36/125,874.48 = 57,541.14/x
  3. Step 3: Cross multiply
    83,916.36x = 125,874.48 × 57,541.14
  4. Step 4: Simplify right side
    83,916.36x = 7,242,961,076.11
  5. Step 5: Solve for x
    x = 7,242,961,076.11/83,916.36
  6. Step 6: Final answer
    x = 86,311.67

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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.