Home / 96,981.72-145,472.78-26,861.23

Finding the Fourth Proportional to 96,981.72, 145,472.78 and 26,861.23

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Solution

The fourth proportional to 96,981.72, 145,472.78 and 26,861.23 is: 40,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,981.72 : 145,472.78 = 26,861.23 : x
  2. Step 2: Convert to fraction form
    96,981.72/145,472.78 = 26,861.23/x
  3. Step 3: Cross multiply
    96,981.72x = 145,472.78 × 26,861.23
  4. Step 4: Simplify right side
    96,981.72x = 3,907,577,802.32
  5. Step 5: Solve for x
    x = 3,907,577,802.32/96,981.72
  6. Step 6: Final answer
    x = 40,291.90

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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.