Home / 71,788.32-99,045.54-40,738.44

Finding the Fourth Proportional to 71,788.32, 99,045.54 and 40,738.44

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Solution

The fourth proportional to 71,788.32, 99,045.54 and 40,738.44 is: 56,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,788.32 : 99,045.54 = 40,738.44 : x
  2. Step 2: Convert to fraction form
    71,788.32/99,045.54 = 40,738.44/x
  3. Step 3: Cross multiply
    71,788.32x = 99,045.54 × 40,738.44
  4. Step 4: Simplify right side
    71,788.32x = 4,034,960,788.56
  5. Step 5: Solve for x
    x = 4,034,960,788.56/71,788.32
  6. Step 6: Final answer
    x = 56,206.37

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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.