Home / 98,021.24-147,034.02-27,902.78

Finding the Fourth Proportional to 98,021.24, 147,034.02 and 27,902.78

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Solution

The fourth proportional to 98,021.24, 147,034.02 and 27,902.78 is: 41,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,021.24 : 147,034.02 = 27,902.78 : x
  2. Step 2: Convert to fraction form
    98,021.24/147,034.02 = 27,902.78/x
  3. Step 3: Cross multiply
    98,021.24x = 147,034.02 × 27,902.78
  4. Step 4: Simplify right side
    98,021.24x = 4,102,657,912.58
  5. Step 5: Solve for x
    x = 4,102,657,912.58/98,021.24
  6. Step 6: Final answer
    x = 41,854.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.