Home / 68,409.35-94,403.98-38,195.13

Finding the Fourth Proportional to 68,409.35, 94,403.98 and 38,195.13

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Solution

The fourth proportional to 68,409.35, 94,403.98 and 38,195.13 is: 52,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409.35 : 94,403.98 = 38,195.13 : x
  2. Step 2: Convert to fraction form
    68,409.35/94,403.98 = 38,195.13/x
  3. Step 3: Cross multiply
    68,409.35x = 94,403.98 × 38,195.13
  4. Step 4: Simplify right side
    68,409.35x = 3,605,772,193.13
  5. Step 5: Solve for x
    x = 3,605,772,193.13/68,409.35
  6. Step 6: Final answer
    x = 52,708.77

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Double scale
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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.