Home / 66,233.15-91,642.43-57,752.95

Finding the Fourth Proportional to 66,233.15, 91,642.43 and 57,752.95

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Solution

The fourth proportional to 66,233.15, 91,642.43 and 57,752.95 is: 79,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.15 : 91,642.43 = 57,752.95 : x
  2. Step 2: Convert to fraction form
    66,233.15/91,642.43 = 57,752.95/x
  3. Step 3: Cross multiply
    66,233.15x = 91,642.43 × 57,752.95
  4. Step 4: Simplify right side
    66,233.15x = 5,292,620,388.90
  5. Step 5: Solve for x
    x = 5,292,620,388.90/66,233.15
  6. Step 6: Final answer
    x = 79,908.94

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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.