Home / 67,161.15-92,666.43-43,259.67

Finding the Fourth Proportional to 67,161.15, 92,666.43 and 43,259.67

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Solution

The fourth proportional to 67,161.15, 92,666.43 and 43,259.67 is: 59,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.15 : 92,666.43 = 43,259.67 : x
  2. Step 2: Convert to fraction form
    67,161.15/92,666.43 = 43,259.67/x
  3. Step 3: Cross multiply
    67,161.15x = 92,666.43 × 43,259.67
  4. Step 4: Simplify right side
    67,161.15x = 4,008,719,181.88
  5. Step 5: Solve for x
    x = 4,008,719,181.88/67,161.15
  6. Step 6: Final answer
    x = 59,688.07

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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.