Home / 96,638.48-133,360.83-54,197.91

Finding the Fourth Proportional to 96,638.48, 133,360.83 and 54,197.91

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Solution

The fourth proportional to 96,638.48, 133,360.83 and 54,197.91 is: 74,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,638.48 : 133,360.83 = 54,197.91 : x
  2. Step 2: Convert to fraction form
    96,638.48/133,360.83 = 54,197.91/x
  3. Step 3: Cross multiply
    96,638.48x = 133,360.83 × 54,197.91
  4. Step 4: Simplify right side
    96,638.48x = 7,227,878,261.87
  5. Step 5: Solve for x
    x = 7,227,878,261.87/96,638.48
  6. Step 6: Final answer
    x = 74,792.97

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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.