Home / 103,216.92-154,618.02-61,641.24

Finding the Fourth Proportional to 103,216.92, 154,618.02 and 61,641.24

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Solution

The fourth proportional to 103,216.92, 154,618.02 and 61,641.24 is: 92,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,216.92 : 154,618.02 = 61,641.24 : x
  2. Step 2: Convert to fraction form
    103,216.92/154,618.02 = 61,641.24/x
  3. Step 3: Cross multiply
    103,216.92x = 154,618.02 × 61,641.24
  4. Step 4: Simplify right side
    103,216.92x = 9,530,846,479.14
  5. Step 5: Solve for x
    x = 9,530,846,479.14/103,216.92
  6. Step 6: Final answer
    x = 92,338.02

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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.