Home / 98,624.08-147,921.54-36,280

Finding the Fourth Proportional to 98,624.08, 147,921.54 and 36,280

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Solution

The fourth proportional to 98,624.08, 147,921.54 and 36,280 is: 54,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,624.08 : 147,921.54 = 36,280 : x
  2. Step 2: Convert to fraction form
    98,624.08/147,921.54 = 36,280/x
  3. Step 3: Cross multiply
    98,624.08x = 147,921.54 × 36,280
  4. Step 4: Simplify right side
    98,624.08x = 5,366,593,471.20
  5. Step 5: Solve for x
    x = 5,366,593,471.20/98,624.08
  6. Step 6: Final answer
    x = 54,414.64

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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.