Home / 98,579.10-147,832.20-32,021.40

Finding the Fourth Proportional to 98,579.10, 147,832.20 and 32,021.40

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Solution

The fourth proportional to 98,579.10, 147,832.20 and 32,021.40 is: 48,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,579.10 : 147,832.20 = 32,021.40 : x
  2. Step 2: Convert to fraction form
    98,579.10/147,832.20 = 32,021.40/x
  3. Step 3: Cross multiply
    98,579.10x = 147,832.20 × 32,021.40
  4. Step 4: Simplify right side
    98,579.10x = 4,733,794,009.08
  5. Step 5: Solve for x
    x = 4,733,794,009.08/98,579.10
  6. Step 6: Final answer
    x = 48,020.26

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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.