Home / 111,850.90-154,360.88-64,107.33

Finding the Fourth Proportional to 111,850.90, 154,360.88 and 64,107.33

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Solution

The fourth proportional to 111,850.90, 154,360.88 and 64,107.33 is: 88,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,850.90 : 154,360.88 = 64,107.33 : x
  2. Step 2: Convert to fraction form
    111,850.90/154,360.88 = 64,107.33/x
  3. Step 3: Cross multiply
    111,850.90x = 154,360.88 × 64,107.33
  4. Step 4: Simplify right side
    111,850.90x = 9,895,663,214.26
  5. Step 5: Solve for x
    x = 9,895,663,214.26/111,850.90
  6. Step 6: Final answer
    x = 88,471.92

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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.