Home / 91,974.04-137,964.30-35,818.36

Finding the Fourth Proportional to 91,974.04, 137,964.30 and 35,818.36

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Solution

The fourth proportional to 91,974.04, 137,964.30 and 35,818.36 is: 53,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,974.04 : 137,964.30 = 35,818.36 : x
  2. Step 2: Convert to fraction form
    91,974.04/137,964.30 = 35,818.36/x
  3. Step 3: Cross multiply
    91,974.04x = 137,964.30 × 35,818.36
  4. Step 4: Simplify right side
    91,974.04x = 4,941,654,964.55
  5. Step 5: Solve for x
    x = 4,941,654,964.55/91,974.04
  6. Step 6: Final answer
    x = 53,728.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.