Home / 91,926.68-126,845-51,632.72

Finding the Fourth Proportional to 91,926.68, 126,845 and 51,632.72

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Solution

The fourth proportional to 91,926.68, 126,845 and 51,632.72 is: 71,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,926.68 : 126,845 = 51,632.72 : x
  2. Step 2: Convert to fraction form
    91,926.68/126,845 = 51,632.72/x
  3. Step 3: Cross multiply
    91,926.68x = 126,845 × 51,632.72
  4. Step 4: Simplify right side
    91,926.68x = 6,549,352,368.40
  5. Step 5: Solve for x
    x = 6,549,352,368.40/91,926.68
  6. Step 6: Final answer
    x = 71,245.39

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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.