Home / 91,324.69-126,027.64-51,038.43

Finding the Fourth Proportional to 91,324.69, 126,027.64 and 51,038.43

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Solution

The fourth proportional to 91,324.69, 126,027.64 and 51,038.43 is: 70,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,324.69 : 126,027.64 = 51,038.43 : x
  2. Step 2: Convert to fraction form
    91,324.69/126,027.64 = 51,038.43/x
  3. Step 3: Cross multiply
    91,324.69x = 126,027.64 × 51,038.43
  4. Step 4: Simplify right side
    91,324.69x = 6,432,252,882.21
  5. Step 5: Solve for x
    x = 6,432,252,882.21/91,324.69
  6. Step 6: Final answer
    x = 70,432.79

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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.