Home / 96,638.49-133,360.98-54,196.65

Finding the Fourth Proportional to 96,638.49, 133,360.98 and 54,196.65

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Solution

The fourth proportional to 96,638.49, 133,360.98 and 54,196.65 is: 74,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,638.49 : 133,360.98 = 54,196.65 : x
  2. Step 2: Convert to fraction form
    96,638.49/133,360.98 = 54,196.65/x
  3. Step 3: Cross multiply
    96,638.49x = 133,360.98 × 54,196.65
  4. Step 4: Simplify right side
    96,638.49x = 7,227,718,356.72
  5. Step 5: Solve for x
    x = 7,227,718,356.72/96,638.49
  6. Step 6: Final answer
    x = 74,791.30

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1.5x scale

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.