Home / 98,344.73-135,715.53-55,324.25

Finding the Fourth Proportional to 98,344.73, 135,715.53 and 55,324.25

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Solution

The fourth proportional to 98,344.73, 135,715.53 and 55,324.25 is: 76,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,344.73 : 135,715.53 = 55,324.25 : x
  2. Step 2: Convert to fraction form
    98,344.73/135,715.53 = 55,324.25/x
  3. Step 3: Cross multiply
    98,344.73x = 135,715.53 × 55,324.25
  4. Step 4: Simplify right side
    98,344.73x = 7,508,360,249.89
  5. Step 5: Solve for x
    x = 7,508,360,249.89/98,344.73
  6. Step 6: Final answer
    x = 76,347.36

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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.