Home / 84,861.31-117,095.58-49,044.40

Finding the Fourth Proportional to 84,861.31, 117,095.58 and 49,044.40

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Solution

The fourth proportional to 84,861.31, 117,095.58 and 49,044.40 is: 67,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,861.31 : 117,095.58 = 49,044.40 : x
  2. Step 2: Convert to fraction form
    84,861.31/117,095.58 = 49,044.40/x
  3. Step 3: Cross multiply
    84,861.31x = 117,095.58 × 49,044.40
  4. Step 4: Simplify right side
    84,861.31x = 5,742,882,463.75
  5. Step 5: Solve for x
    x = 5,742,882,463.75/84,861.31
  6. Step 6: Final answer
    x = 67,673.74

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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.