Home / 91,067.46-125,669.80-52,827.78

Finding the Fourth Proportional to 91,067.46, 125,669.80 and 52,827.78

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Solution

The fourth proportional to 91,067.46, 125,669.80 and 52,827.78 is: 72,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,067.46 : 125,669.80 = 52,827.78 : x
  2. Step 2: Convert to fraction form
    91,067.46/125,669.80 = 52,827.78/x
  3. Step 3: Cross multiply
    91,067.46x = 125,669.80 × 52,827.78
  4. Step 4: Simplify right side
    91,067.46x = 6,638,856,547.04
  5. Step 5: Solve for x
    x = 6,638,856,547.04/91,067.46
  6. Step 6: Final answer
    x = 72,900.43

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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.