Home / 91,112.78-125,735.58-50,826.53

Finding the Fourth Proportional to 91,112.78, 125,735.58 and 50,826.53

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Solution

The fourth proportional to 91,112.78, 125,735.58 and 50,826.53 is: 70,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,112.78 : 125,735.58 = 50,826.53 : x
  2. Step 2: Convert to fraction form
    91,112.78/125,735.58 = 50,826.53/x
  3. Step 3: Cross multiply
    91,112.78x = 125,735.58 × 50,826.53
  4. Step 4: Simplify right side
    91,112.78x = 6,390,703,228.94
  5. Step 5: Solve for x
    x = 6,390,703,228.94/91,112.78
  6. Step 6: Final answer
    x = 70,140.58

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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.