Home / 68,931.88-95,101.77-45,072.52

Finding the Fourth Proportional to 68,931.88, 95,101.77 and 45,072.52

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Solution

The fourth proportional to 68,931.88, 95,101.77 and 45,072.52 is: 62,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,931.88 : 95,101.77 = 45,072.52 : x
  2. Step 2: Convert to fraction form
    68,931.88/95,101.77 = 45,072.52/x
  3. Step 3: Cross multiply
    68,931.88x = 95,101.77 × 45,072.52
  4. Step 4: Simplify right side
    68,931.88x = 4,286,476,430.36
  5. Step 5: Solve for x
    x = 4,286,476,430.36/68,931.88
  6. Step 6: Final answer
    x = 62,184.24

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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.