Home / 91,576.73-126,376.28-53,362.49

Finding the Fourth Proportional to 91,576.73, 126,376.28 and 53,362.49

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Solution

The fourth proportional to 91,576.73, 126,376.28 and 53,362.49 is: 73,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,576.73 : 126,376.28 = 53,362.49 : x
  2. Step 2: Convert to fraction form
    91,576.73/126,376.28 = 53,362.49/x
  3. Step 3: Cross multiply
    91,576.73x = 126,376.28 × 53,362.49
  4. Step 4: Simplify right side
    91,576.73x = 6,743,753,026.87
  5. Step 5: Solve for x
    x = 6,743,753,026.87/91,576.73
  6. Step 6: Final answer
    x = 73,640.47

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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.