Home / 67,316.55-92,867.64-40,077.39

Finding the Fourth Proportional to 67,316.55, 92,867.64 and 40,077.39

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Solution

The fourth proportional to 67,316.55, 92,867.64 and 40,077.39 is: 55,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,316.55 : 92,867.64 = 40,077.39 : x
  2. Step 2: Convert to fraction form
    67,316.55/92,867.64 = 40,077.39/x
  3. Step 3: Cross multiply
    67,316.55x = 92,867.64 × 40,077.39
  4. Step 4: Simplify right side
    67,316.55x = 3,721,892,626.66
  5. Step 5: Solve for x
    x = 3,721,892,626.66/67,316.55
  6. Step 6: Final answer
    x = 55,289.41

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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.