Home / 75,519.10-104,256.40-47,233.90

Finding the Fourth Proportional to 75,519.10, 104,256.40 and 47,233.90

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Solution

The fourth proportional to 75,519.10, 104,256.40 and 47,233.90 is: 65,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,519.10 : 104,256.40 = 47,233.90 : x
  2. Step 2: Convert to fraction form
    75,519.10/104,256.40 = 47,233.90/x
  3. Step 3: Cross multiply
    75,519.10x = 104,256.40 × 47,233.90
  4. Step 4: Simplify right side
    75,519.10x = 4,924,435,850.68
  5. Step 5: Solve for x
    x = 4,924,435,850.68/75,519.10
  6. Step 6: Final answer
    x = 65,207.82

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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.