Home / 84,540.08-116,657.38-50,541.80

Finding the Fourth Proportional to 84,540.08, 116,657.38 and 50,541.80

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Solution

The fourth proportional to 84,540.08, 116,657.38 and 50,541.80 is: 69,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,540.08 : 116,657.38 = 50,541.80 : x
  2. Step 2: Convert to fraction form
    84,540.08/116,657.38 = 50,541.80/x
  3. Step 3: Cross multiply
    84,540.08x = 116,657.38 × 50,541.80
  4. Step 4: Simplify right side
    84,540.08x = 5,896,073,968.48
  5. Step 5: Solve for x
    x = 5,896,073,968.48/84,540.08
  6. Step 6: Final answer
    x = 69,742.94

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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.