Home / 81,272.27-112,165.04-45,471.35

Finding the Fourth Proportional to 81,272.27, 112,165.04 and 45,471.35

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Solution

The fourth proportional to 81,272.27, 112,165.04 and 45,471.35 is: 62,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,272.27 : 112,165.04 = 45,471.35 : x
  2. Step 2: Convert to fraction form
    81,272.27/112,165.04 = 45,471.35/x
  3. Step 3: Cross multiply
    81,272.27x = 112,165.04 × 45,471.35
  4. Step 4: Simplify right side
    81,272.27x = 5,100,295,791.60
  5. Step 5: Solve for x
    x = 5,100,295,791.60/81,272.27
  6. Step 6: Final answer
    x = 62,755.67

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1.5x scale

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.