Home / 97,859.49-135,046.61-54,839.08

Finding the Fourth Proportional to 97,859.49, 135,046.61 and 54,839.08

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Solution

The fourth proportional to 97,859.49, 135,046.61 and 54,839.08 is: 75,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,859.49 : 135,046.61 = 54,839.08 : x
  2. Step 2: Convert to fraction form
    97,859.49/135,046.61 = 54,839.08/x
  3. Step 3: Cross multiply
    97,859.49x = 135,046.61 × 54,839.08
  4. Step 4: Simplify right side
    97,859.49x = 7,405,831,849.52
  5. Step 5: Solve for x
    x = 7,405,831,849.52/97,859.49
  6. Step 6: Final answer
    x = 75,678.22

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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.