Home / 75,067.48-112,376.86-45,395.56

Finding the Fourth Proportional to 75,067.48, 112,376.86 and 45,395.56

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Solution

The fourth proportional to 75,067.48, 112,376.86 and 45,395.56 is: 67,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,067.48 : 112,376.86 = 45,395.56 : x
  2. Step 2: Convert to fraction form
    75,067.48/112,376.86 = 45,395.56/x
  3. Step 3: Cross multiply
    75,067.48x = 112,376.86 × 45,395.56
  4. Step 4: Simplify right side
    75,067.48x = 5,101,410,490.74
  5. Step 5: Solve for x
    x = 5,101,410,490.74/75,067.48
  6. Step 6: Final answer
    x = 67,957.66

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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.