Home / 96,981.03-133,757.93-66,372.27

Finding the Fourth Proportional to 96,981.03, 133,757.93 and 66,372.27

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Solution

The fourth proportional to 96,981.03, 133,757.93 and 66,372.27 is: 91,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,981.03 : 133,757.93 = 66,372.27 : x
  2. Step 2: Convert to fraction form
    96,981.03/133,757.93 = 66,372.27/x
  3. Step 3: Cross multiply
    96,981.03x = 133,757.93 × 66,372.27
  4. Step 4: Simplify right side
    96,981.03x = 8,877,817,112.74
  5. Step 5: Solve for x
    x = 8,877,817,112.74/96,981.03
  6. Step 6: Final answer
    x = 91,541.79

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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.