Home / 98,631.27-136,108.41-55,610.39

Finding the Fourth Proportional to 98,631.27, 136,108.41 and 55,610.39

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Solution

The fourth proportional to 98,631.27, 136,108.41 and 55,610.39 is: 76,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,631.27 : 136,108.41 = 55,610.39 : x
  2. Step 2: Convert to fraction form
    98,631.27/136,108.41 = 55,610.39/x
  3. Step 3: Cross multiply
    98,631.27x = 136,108.41 × 55,610.39
  4. Step 4: Simplify right side
    98,631.27x = 7,569,040,803.79
  5. Step 5: Solve for x
    x = 7,569,040,803.79/98,631.27
  6. Step 6: Final answer
    x = 76,740.79

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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.