Home / 77,659.85-116,415.96-49,500.86

Finding the Fourth Proportional to 77,659.85, 116,415.96 and 49,500.86

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Solution

The fourth proportional to 77,659.85, 116,415.96 and 49,500.86 is: 74,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,659.85 : 116,415.96 = 49,500.86 : x
  2. Step 2: Convert to fraction form
    77,659.85/116,415.96 = 49,500.86/x
  3. Step 3: Cross multiply
    77,659.85x = 116,415.96 × 49,500.86
  4. Step 4: Simplify right side
    77,659.85x = 5,762,690,428.77
  5. Step 5: Solve for x
    x = 5,762,690,428.77/77,659.85
  6. Step 6: Final answer
    x = 74,204.24

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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.