Home / 77,447.16-116,108.21-30,037.79

Finding the Fourth Proportional to 77,447.16, 116,108.21 and 30,037.79

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Solution

The fourth proportional to 77,447.16, 116,108.21 and 30,037.79 is: 45,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,447.16 : 116,108.21 = 30,037.79 : x
  2. Step 2: Convert to fraction form
    77,447.16/116,108.21 = 30,037.79/x
  3. Step 3: Cross multiply
    77,447.16x = 116,108.21 × 30,037.79
  4. Step 4: Simplify right side
    77,447.16x = 3,487,633,657.03
  5. Step 5: Solve for x
    x = 3,487,633,657.03/77,447.16
  6. Step 6: Final answer
    x = 45,032.43

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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.