Home / 81,888.30-113,003.91-53,593.38

Finding the Fourth Proportional to 81,888.30, 113,003.91 and 53,593.38

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Solution

The fourth proportional to 81,888.30, 113,003.91 and 53,593.38 is: 73,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,888.30 : 113,003.91 = 53,593.38 : x
  2. Step 2: Convert to fraction form
    81,888.30/113,003.91 = 53,593.38/x
  3. Step 3: Cross multiply
    81,888.30x = 113,003.91 × 53,593.38
  4. Step 4: Simplify right side
    81,888.30x = 6,056,261,490.12
  5. Step 5: Solve for x
    x = 6,056,261,490.12/81,888.30
  6. Step 6: Final answer
    x = 73,957.59

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1.5x scale

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.