Home / 72,960.24-109,445.76-26,213.52

Finding the Fourth Proportional to 72,960.24, 109,445.76 and 26,213.52

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Solution

The fourth proportional to 72,960.24, 109,445.76 and 26,213.52 is: 39,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,960.24 : 109,445.76 = 26,213.52 : x
  2. Step 2: Convert to fraction form
    72,960.24/109,445.76 = 26,213.52/x
  3. Step 3: Cross multiply
    72,960.24x = 109,445.76 × 26,213.52
  4. Step 4: Simplify right side
    72,960.24x = 2,868,958,618.68
  5. Step 5: Solve for x
    x = 2,868,958,618.68/72,960.24
  6. Step 6: Final answer
    x = 39,322.22

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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.