Home / 45,375.02-68,160.92-38,369.07

Finding the Fourth Proportional to 45,375.02, 68,160.92 and 38,369.07

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Solution

The fourth proportional to 45,375.02, 68,160.92 and 38,369.07 is: 57,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,375.02 : 68,160.92 = 38,369.07 : x
  2. Step 2: Convert to fraction form
    45,375.02/68,160.92 = 38,369.07/x
  3. Step 3: Cross multiply
    45,375.02x = 68,160.92 × 38,369.07
  4. Step 4: Simplify right side
    45,375.02x = 2,615,270,918.90
  5. Step 5: Solve for x
    x = 2,615,270,918.90/45,375.02
  6. Step 6: Final answer
    x = 57,636.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.