Home / 91,306.68-126,003.48-51,021.96

Finding the Fourth Proportional to 91,306.68, 126,003.48 and 51,021.96

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Solution

The fourth proportional to 91,306.68, 126,003.48 and 51,021.96 is: 70,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,306.68 : 126,003.48 = 51,021.96 : x
  2. Step 2: Convert to fraction form
    91,306.68/126,003.48 = 51,021.96/x
  3. Step 3: Cross multiply
    91,306.68x = 126,003.48 × 51,021.96
  4. Step 4: Simplify right side
    91,306.68x = 6,428,944,516.42
  5. Step 5: Solve for x
    x = 6,428,944,516.42/91,306.68
  6. Step 6: Final answer
    x = 70,410.45

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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.