Home / 66,904.92-100,362.24-22,531.68

Finding the Fourth Proportional to 66,904.92, 100,362.24 and 22,531.68

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Solution

The fourth proportional to 66,904.92, 100,362.24 and 22,531.68 is: 33,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904.92 : 100,362.24 = 22,531.68 : x
  2. Step 2: Convert to fraction form
    66,904.92/100,362.24 = 22,531.68/x
  3. Step 3: Cross multiply
    66,904.92x = 100,362.24 × 22,531.68
  4. Step 4: Simplify right side
    66,904.92x = 2,261,329,875.76
  5. Step 5: Solve for x
    x = 2,261,329,875.76/66,904.92
  6. Step 6: Final answer
    x = 33,799.16

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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.