Home / 98,733.20-148,121.40-48,837.20

Finding the Fourth Proportional to 98,733.20, 148,121.40 and 48,837.20

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Solution

The fourth proportional to 98,733.20, 148,121.40 and 48,837.20 is: 73,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,733.20 : 148,121.40 = 48,837.20 : x
  2. Step 2: Convert to fraction form
    98,733.20/148,121.40 = 48,837.20/x
  3. Step 3: Cross multiply
    98,733.20x = 148,121.40 × 48,837.20
  4. Step 4: Simplify right side
    98,733.20x = 7,233,834,436.08
  5. Step 5: Solve for x
    x = 7,233,834,436.08/98,733.20
  6. Step 6: Final answer
    x = 73,266.48

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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.