Home / 91,635.45-126,462-51,362.16

Finding the Fourth Proportional to 91,635.45, 126,462 and 51,362.16

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Solution

The fourth proportional to 91,635.45, 126,462 and 51,362.16 is: 70,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,635.45 : 126,462 = 51,362.16 : x
  2. Step 2: Convert to fraction form
    91,635.45/126,462 = 51,362.16/x
  3. Step 3: Cross multiply
    91,635.45x = 126,462 × 51,362.16
  4. Step 4: Simplify right side
    91,635.45x = 6,495,361,477.92
  5. Step 5: Solve for x
    x = 6,495,361,477.92/91,635.45
  6. Step 6: Final answer
    x = 70,882.63

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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.