Home / 91,118.30-125,727.67-52,869.08

Finding the Fourth Proportional to 91,118.30, 125,727.67 and 52,869.08

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Solution

The fourth proportional to 91,118.30, 125,727.67 and 52,869.08 is: 72,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,118.30 : 125,727.67 = 52,869.08 : x
  2. Step 2: Convert to fraction form
    91,118.30/125,727.67 = 52,869.08/x
  3. Step 3: Cross multiply
    91,118.30x = 125,727.67 × 52,869.08
  4. Step 4: Simplify right side
    91,118.30x = 6,647,105,680.89
  5. Step 5: Solve for x
    x = 6,647,105,680.89/91,118.30
  6. Step 6: Final answer
    x = 72,950.29

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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.