Home / 98,865.62-136,433.88-53,542.56

Finding the Fourth Proportional to 98,865.62, 136,433.88 and 53,542.56

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Solution

The fourth proportional to 98,865.62, 136,433.88 and 53,542.56 is: 73,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,865.62 : 136,433.88 = 53,542.56 : x
  2. Step 2: Convert to fraction form
    98,865.62/136,433.88 = 53,542.56/x
  3. Step 3: Cross multiply
    98,865.62x = 136,433.88 × 53,542.56
  4. Step 4: Simplify right side
    98,865.62x = 7,305,019,205.93
  5. Step 5: Solve for x
    x = 7,305,019,205.93/98,865.62
  6. Step 6: Final answer
    x = 73,888.37

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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.