Home / 75,697.27-104,465.06-42,165.43

Finding the Fourth Proportional to 75,697.27, 104,465.06 and 42,165.43

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Solution

The fourth proportional to 75,697.27, 104,465.06 and 42,165.43 is: 58,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,697.27 : 104,465.06 = 42,165.43 : x
  2. Step 2: Convert to fraction form
    75,697.27/104,465.06 = 42,165.43/x
  3. Step 3: Cross multiply
    75,697.27x = 104,465.06 × 42,165.43
  4. Step 4: Simplify right side
    75,697.27x = 4,404,814,174.88
  5. Step 5: Solve for x
    x = 4,404,814,174.88/75,697.27
  6. Step 6: Final answer
    x = 58,189.87

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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.