Home / 87,266.96-120,483.51-60,399.66

Finding the Fourth Proportional to 87,266.96, 120,483.51 and 60,399.66

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Solution

The fourth proportional to 87,266.96, 120,483.51 and 60,399.66 is: 83,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.96 : 120,483.51 = 60,399.66 : x
  2. Step 2: Convert to fraction form
    87,266.96/120,483.51 = 60,399.66/x
  3. Step 3: Cross multiply
    87,266.96x = 120,483.51 × 60,399.66
  4. Step 4: Simplify right side
    87,266.96x = 7,277,163,039.61
  5. Step 5: Solve for x
    x = 7,277,163,039.61/87,266.96
  6. Step 6: Final answer
    x = 83,389.67

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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.