Home / 98,865.28-136,433.46-53,542.54

Finding the Fourth Proportional to 98,865.28, 136,433.46 and 53,542.54

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Solution

The fourth proportional to 98,865.28, 136,433.46 and 53,542.54 is: 73,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,865.28 : 136,433.46 = 53,542.54 : x
  2. Step 2: Convert to fraction form
    98,865.28/136,433.46 = 53,542.54/x
  3. Step 3: Cross multiply
    98,865.28x = 136,433.46 × 53,542.54
  4. Step 4: Simplify right side
    98,865.28x = 7,304,993,989.39
  5. Step 5: Solve for x
    x = 7,304,993,989.39/98,865.28
  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.