Home / 68,360.05-94,336.65-38,145.03

Finding the Fourth Proportional to 68,360.05, 94,336.65 and 38,145.03

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Solution

The fourth proportional to 68,360.05, 94,336.65 and 38,145.03 is: 52,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,360.05 : 94,336.65 = 38,145.03 : x
  2. Step 2: Convert to fraction form
    68,360.05/94,336.65 = 38,145.03/x
  3. Step 3: Cross multiply
    68,360.05x = 94,336.65 × 38,145.03
  4. Step 4: Simplify right side
    68,360.05x = 3,598,473,990.59
  5. Step 5: Solve for x
    x = 3,598,473,990.59/68,360.05
  6. Step 6: Final answer
    x = 52,640.01

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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.