Home / 54,141.40-81,212.10-22,972.60

Finding the Fourth Proportional to 54,141.40, 81,212.10 and 22,972.60

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Solution

The fourth proportional to 54,141.40, 81,212.10 and 22,972.60 is: 34,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.40 : 81,212.10 = 22,972.60 : x
  2. Step 2: Convert to fraction form
    54,141.40/81,212.10 = 22,972.60/x
  3. Step 3: Cross multiply
    54,141.40x = 81,212.10 × 22,972.60
  4. Step 4: Simplify right side
    54,141.40x = 1,865,653,088.46
  5. Step 5: Solve for x
    x = 1,865,653,088.46/54,141.40
  6. Step 6: Final answer
    x = 34,458.90

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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.