Home / 85,318.65-127,923.30-35,433.18

Finding the Fourth Proportional to 85,318.65, 127,923.30 and 35,433.18

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Solution

The fourth proportional to 85,318.65, 127,923.30 and 35,433.18 is: 53,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,318.65 : 127,923.30 = 35,433.18 : x
  2. Step 2: Convert to fraction form
    85,318.65/127,923.30 = 35,433.18/x
  3. Step 3: Cross multiply
    85,318.65x = 127,923.30 × 35,433.18
  4. Step 4: Simplify right side
    85,318.65x = 4,532,729,315.09
  5. Step 5: Solve for x
    x = 4,532,729,315.09/85,318.65
  6. Step 6: Final answer
    x = 53,127.06

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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.