Home / 96,987.01-133,840.79-54,545.54

Finding the Fourth Proportional to 96,987.01, 133,840.79 and 54,545.54

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Solution

The fourth proportional to 96,987.01, 133,840.79 and 54,545.54 is: 75,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,987.01 : 133,840.79 = 54,545.54 : x
  2. Step 2: Convert to fraction form
    96,987.01/133,840.79 = 54,545.54/x
  3. Step 3: Cross multiply
    96,987.01x = 133,840.79 × 54,545.54
  4. Step 4: Simplify right side
    96,987.01x = 7,300,417,891.85
  5. Step 5: Solve for x
    x = 7,300,417,891.85/96,987.01
  6. Step 6: Final answer
    x = 75,272.12

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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.