Home / 91,110.78-125,732.82-50,824.53

Finding the Fourth Proportional to 91,110.78, 125,732.82 and 50,824.53

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Solution

The fourth proportional to 91,110.78, 125,732.82 and 50,824.53 is: 70,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,110.78 : 125,732.82 = 50,824.53 : x
  2. Step 2: Convert to fraction form
    91,110.78/125,732.82 = 50,824.53/x
  3. Step 3: Cross multiply
    91,110.78x = 125,732.82 × 50,824.53
  4. Step 4: Simplify right side
    91,110.78x = 6,390,311,482.07
  5. Step 5: Solve for x
    x = 6,390,311,482.07/91,110.78
  6. Step 6: Final answer
    x = 70,137.82

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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.