Home / 98,832.20-136,388.50-53,510.20

Finding the Fourth Proportional to 98,832.20, 136,388.50 and 53,510.20

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Solution

The fourth proportional to 98,832.20, 136,388.50 and 53,510.20 is: 73,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,832.20 : 136,388.50 = 53,510.20 : x
  2. Step 2: Convert to fraction form
    98,832.20/136,388.50 = 53,510.20/x
  3. Step 3: Cross multiply
    98,832.20x = 136,388.50 × 53,510.20
  4. Step 4: Simplify right side
    98,832.20x = 7,298,175,912.70
  5. Step 5: Solve for x
    x = 7,298,175,912.70/98,832.20
  6. Step 6: Final answer
    x = 73,844.11

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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.