Home / 75,379.50-112,990.41-25,442.46

Finding the Fourth Proportional to 75,379.50, 112,990.41 and 25,442.46

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Solution

The fourth proportional to 75,379.50, 112,990.41 and 25,442.46 is: 38,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.50 : 112,990.41 = 25,442.46 : x
  2. Step 2: Convert to fraction form
    75,379.50/112,990.41 = 25,442.46/x
  3. Step 3: Cross multiply
    75,379.50x = 112,990.41 × 25,442.46
  4. Step 4: Simplify right side
    75,379.50x = 2,874,753,986.81
  5. Step 5: Solve for x
    x = 2,874,753,986.81/75,379.50
  6. Step 6: Final answer
    x = 38,137.08

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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.