Home / 71,112.96-98,135.94-38,848.02

Finding the Fourth Proportional to 71,112.96, 98,135.94 and 38,848.02

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Solution

The fourth proportional to 71,112.96, 98,135.94 and 38,848.02 is: 53,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,112.96 : 98,135.94 = 38,848.02 : x
  2. Step 2: Convert to fraction form
    71,112.96/98,135.94 = 38,848.02/x
  3. Step 3: Cross multiply
    71,112.96x = 98,135.94 × 38,848.02
  4. Step 4: Simplify right side
    71,112.96x = 3,812,386,959.84
  5. Step 5: Solve for x
    x = 3,812,386,959.84/71,112.96
  6. Step 6: Final answer
    x = 53,610.30

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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.