Home / 98,722.20-148,083.30-36,384.60

Finding the Fourth Proportional to 98,722.20, 148,083.30 and 36,384.60

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Solution

The fourth proportional to 98,722.20, 148,083.30 and 36,384.60 is: 54,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,722.20 : 148,083.30 = 36,384.60 : x
  2. Step 2: Convert to fraction form
    98,722.20/148,083.30 = 36,384.60/x
  3. Step 3: Cross multiply
    98,722.20x = 148,083.30 × 36,384.60
  4. Step 4: Simplify right side
    98,722.20x = 5,387,951,637.18
  5. Step 5: Solve for x
    x = 5,387,951,637.18/98,722.20
  6. Step 6: Final answer
    x = 54,576.90

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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.