Home / 77,733.14-116,525.90-30,378.61

Finding the Fourth Proportional to 77,733.14, 116,525.90 and 30,378.61

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Solution

The fourth proportional to 77,733.14, 116,525.90 and 30,378.61 is: 45,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,733.14 : 116,525.90 = 30,378.61 : x
  2. Step 2: Convert to fraction form
    77,733.14/116,525.90 = 30,378.61/x
  3. Step 3: Cross multiply
    77,733.14x = 116,525.90 × 30,378.61
  4. Step 4: Simplify right side
    77,733.14x = 3,539,895,092.60
  5. Step 5: Solve for x
    x = 3,539,895,092.60/77,733.14
  6. Step 6: Final answer
    x = 45,539.07

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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.