Home / 73,778.85-110,501.77-51,690.81

Finding the Fourth Proportional to 73,778.85, 110,501.77 and 51,690.81

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Solution

The fourth proportional to 73,778.85, 110,501.77 and 51,690.81 is: 77,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778.85 : 110,501.77 = 51,690.81 : x
  2. Step 2: Convert to fraction form
    73,778.85/110,501.77 = 51,690.81/x
  3. Step 3: Cross multiply
    73,778.85x = 110,501.77 × 51,690.81
  4. Step 4: Simplify right side
    73,778.85x = 5,711,925,758.24
  5. Step 5: Solve for x
    x = 5,711,925,758.24/73,778.85
  6. Step 6: Final answer
    x = 77,419.56

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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.