Home / 96,849.76-133,638.12-54,400.16

Finding the Fourth Proportional to 96,849.76, 133,638.12 and 54,400.16

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Solution

The fourth proportional to 96,849.76, 133,638.12 and 54,400.16 is: 75,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,849.76 : 133,638.12 = 54,400.16 : x
  2. Step 2: Convert to fraction form
    96,849.76/133,638.12 = 54,400.16/x
  3. Step 3: Cross multiply
    96,849.76x = 133,638.12 × 54,400.16
  4. Step 4: Simplify right side
    96,849.76x = 7,269,935,110.10
  5. Step 5: Solve for x
    x = 7,269,935,110.10/96,849.76
  6. Step 6: Final answer
    x = 75,064.05

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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.