Home / 99,815.30-149,832.30-62,417.60

Finding the Fourth Proportional to 99,815.30, 149,832.30 and 62,417.60

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Solution

The fourth proportional to 99,815.30, 149,832.30 and 62,417.60 is: 93,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,815.30 : 149,832.30 = 62,417.60 : x
  2. Step 2: Convert to fraction form
    99,815.30/149,832.30 = 62,417.60/x
  3. Step 3: Cross multiply
    99,815.30x = 149,832.30 × 62,417.60
  4. Step 4: Simplify right side
    99,815.30x = 9,352,172,568.48
  5. Step 5: Solve for x
    x = 9,352,172,568.48/99,815.30
  6. Step 6: Final answer
    x = 93,694.78

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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.