Home / 98,850.20-148,279.02-28,730.12

Finding the Fourth Proportional to 98,850.20, 148,279.02 and 28,730.12

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Solution

The fourth proportional to 98,850.20, 148,279.02 and 28,730.12 is: 43,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,850.20 : 148,279.02 = 28,730.12 : x
  2. Step 2: Convert to fraction form
    98,850.20/148,279.02 = 28,730.12/x
  3. Step 3: Cross multiply
    98,850.20x = 148,279.02 × 28,730.12
  4. Step 4: Simplify right side
    98,850.20x = 4,260,074,038.08
  5. Step 5: Solve for x
    x = 4,260,074,038.08/98,850.20
  6. Step 6: Final answer
    x = 43,096.26

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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.