Home / 91,330.46-126,035.57-51,044.20

Finding the Fourth Proportional to 91,330.46, 126,035.57 and 51,044.20

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Solution

The fourth proportional to 91,330.46, 126,035.57 and 51,044.20 is: 70,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330.46 : 126,035.57 = 51,044.20 : x
  2. Step 2: Convert to fraction form
    91,330.46/126,035.57 = 51,044.20/x
  3. Step 3: Cross multiply
    91,330.46x = 126,035.57 × 51,044.20
  4. Step 4: Simplify right side
    91,330.46x = 6,433,384,842.19
  5. Step 5: Solve for x
    x = 6,433,384,842.19/91,330.46
  6. Step 6: Final answer
    x = 70,440.74

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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.