Home / 109,260.06-150,778.71-61,511.10

Finding the Fourth Proportional to 109,260.06, 150,778.71 and 61,511.10

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Solution

The fourth proportional to 109,260.06, 150,778.71 and 61,511.10 is: 84,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,260.06 : 150,778.71 = 61,511.10 : x
  2. Step 2: Convert to fraction form
    109,260.06/150,778.71 = 61,511.10/x
  3. Step 3: Cross multiply
    109,260.06x = 150,778.71 × 61,511.10
  4. Step 4: Simplify right side
    109,260.06x = 9,274,564,308.68
  5. Step 5: Solve for x
    x = 9,274,564,308.68/109,260.06
  6. Step 6: Final answer
    x = 84,885.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.