Home / 68,785.08-94,928.28-38,168.19

Finding the Fourth Proportional to 68,785.08, 94,928.28 and 38,168.19

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Solution

The fourth proportional to 68,785.08, 94,928.28 and 38,168.19 is: 52,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785.08 : 94,928.28 = 38,168.19 : x
  2. Step 2: Convert to fraction form
    68,785.08/94,928.28 = 38,168.19/x
  3. Step 3: Cross multiply
    68,785.08x = 94,928.28 × 38,168.19
  4. Step 4: Simplify right side
    68,785.08x = 3,623,240,627.41
  5. Step 5: Solve for x
    x = 3,623,240,627.41/68,785.08
  6. Step 6: Final answer
    x = 52,674.80

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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.