Home / 84,943.96-127,451.04-42,801.52

Finding the Fourth Proportional to 84,943.96, 127,451.04 and 42,801.52

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Solution

The fourth proportional to 84,943.96, 127,451.04 and 42,801.52 is: 64,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,943.96 : 127,451.04 = 42,801.52 : x
  2. Step 2: Convert to fraction form
    84,943.96/127,451.04 = 42,801.52/x
  3. Step 3: Cross multiply
    84,943.96x = 127,451.04 × 42,801.52
  4. Step 4: Simplify right side
    84,943.96x = 5,455,098,237.58
  5. Step 5: Solve for x
    x = 5,455,098,237.58/84,943.96
  6. Step 6: Final answer
    x = 64,219.97

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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.