Home / 85,318.84-127,923.58-35,433.37

Finding the Fourth Proportional to 85,318.84, 127,923.58 and 35,433.37

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Solution

The fourth proportional to 85,318.84, 127,923.58 and 35,433.37 is: 53,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,318.84 : 127,923.58 = 35,433.37 : x
  2. Step 2: Convert to fraction form
    85,318.84/127,923.58 = 35,433.37/x
  3. Step 3: Cross multiply
    85,318.84x = 127,923.58 × 35,433.37
  4. Step 4: Simplify right side
    85,318.84x = 4,532,762,926.83
  5. Step 5: Solve for x
    x = 4,532,762,926.83/85,318.84
  6. Step 6: Final answer
    x = 53,127.34

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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.