Home / 84,861.45-117,095.80-49,044.56

Finding the Fourth Proportional to 84,861.45, 117,095.80 and 49,044.56

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Solution

The fourth proportional to 84,861.45, 117,095.80 and 49,044.56 is: 67,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,861.45 : 117,095.80 = 49,044.56 : x
  2. Step 2: Convert to fraction form
    84,861.45/117,095.80 = 49,044.56/x
  3. Step 3: Cross multiply
    84,861.45x = 117,095.80 × 49,044.56
  4. Step 4: Simplify right side
    84,861.45x = 5,742,911,280.76
  5. Step 5: Solve for x
    x = 5,742,911,280.76/84,861.45
  6. Step 6: Final answer
    x = 67,673.97

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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.