Home / 91,014.65-136,583.46-31,850.84

Finding the Fourth Proportional to 91,014.65, 136,583.46 and 31,850.84

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Solution

The fourth proportional to 91,014.65, 136,583.46 and 31,850.84 is: 47,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,014.65 : 136,583.46 = 31,850.84 : x
  2. Step 2: Convert to fraction form
    91,014.65/136,583.46 = 31,850.84/x
  3. Step 3: Cross multiply
    91,014.65x = 136,583.46 × 31,850.84
  4. Step 4: Simplify right side
    91,014.65x = 4,350,297,248.19
  5. Step 5: Solve for x
    x = 4,350,297,248.19/91,014.65
  6. Step 6: Final answer
    x = 47,797.77

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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.