Home / 66,148.57-91,250.02-41,906.77

Finding the Fourth Proportional to 66,148.57, 91,250.02 and 41,906.77

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Solution

The fourth proportional to 66,148.57, 91,250.02 and 41,906.77 is: 57,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.57 : 91,250.02 = 41,906.77 : x
  2. Step 2: Convert to fraction form
    66,148.57/91,250.02 = 41,906.77/x
  3. Step 3: Cross multiply
    66,148.57x = 91,250.02 × 41,906.77
  4. Step 4: Simplify right side
    66,148.57x = 3,823,993,600.64
  5. Step 5: Solve for x
    x = 3,823,993,600.64/66,148.57
  6. Step 6: Final answer
    x = 57,809.17

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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.