Home / 76,316.39-105,327.38-42,332.44

Finding the Fourth Proportional to 76,316.39, 105,327.38 and 42,332.44

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Solution

The fourth proportional to 76,316.39, 105,327.38 and 42,332.44 is: 58,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,316.39 : 105,327.38 = 42,332.44 : x
  2. Step 2: Convert to fraction form
    76,316.39/105,327.38 = 42,332.44/x
  3. Step 3: Cross multiply
    76,316.39x = 105,327.38 × 42,332.44
  4. Step 4: Simplify right side
    76,316.39x = 4,458,764,255.91
  5. Step 5: Solve for x
    x = 4,458,764,255.91/76,316.39
  6. Step 6: Final answer
    x = 58,424.73

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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.