Home / 65,177.06-89,906.76-38,314.62

Finding the Fourth Proportional to 65,177.06, 89,906.76 and 38,314.62

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Solution

The fourth proportional to 65,177.06, 89,906.76 and 38,314.62 is: 52,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,177.06 : 89,906.76 = 38,314.62 : x
  2. Step 2: Convert to fraction form
    65,177.06/89,906.76 = 38,314.62/x
  3. Step 3: Cross multiply
    65,177.06x = 89,906.76 × 38,314.62
  4. Step 4: Simplify right side
    65,177.06x = 3,444,743,344.83
  5. Step 5: Solve for x
    x = 3,444,743,344.83/65,177.06
  6. Step 6: Final answer
    x = 52,852.09

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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.