Home / 75,117.38-112,535.27-37,633.56

Finding the Fourth Proportional to 75,117.38, 112,535.27 and 37,633.56

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Solution

The fourth proportional to 75,117.38, 112,535.27 and 37,633.56 is: 56,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,117.38 : 112,535.27 = 37,633.56 : x
  2. Step 2: Convert to fraction form
    75,117.38/112,535.27 = 37,633.56/x
  3. Step 3: Cross multiply
    75,117.38x = 112,535.27 × 37,633.56
  4. Step 4: Simplify right side
    75,117.38x = 4,235,103,211.31
  5. Step 5: Solve for x
    x = 4,235,103,211.31/75,117.38
  6. Step 6: Final answer
    x = 56,379.81

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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.