Home / 92,040.39-138,039.93-35,861.22

Finding the Fourth Proportional to 92,040.39, 138,039.93 and 35,861.22

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Solution

The fourth proportional to 92,040.39, 138,039.93 and 35,861.22 is: 53,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,040.39 : 138,039.93 = 35,861.22 : x
  2. Step 2: Convert to fraction form
    92,040.39/138,039.93 = 35,861.22/x
  3. Step 3: Cross multiply
    92,040.39x = 138,039.93 × 35,861.22
  4. Step 4: Simplify right side
    92,040.39x = 4,950,280,298.51
  5. Step 5: Solve for x
    x = 4,950,280,298.51/92,040.39
  6. Step 6: Final answer
    x = 53,783.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.