Home / 73,778.15-110,438.14-39,960.17

Finding the Fourth Proportional to 73,778.15, 110,438.14 and 39,960.17

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Solution

The fourth proportional to 73,778.15, 110,438.14 and 39,960.17 is: 59,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778.15 : 110,438.14 = 39,960.17 : x
  2. Step 2: Convert to fraction form
    73,778.15/110,438.14 = 39,960.17/x
  3. Step 3: Cross multiply
    73,778.15x = 110,438.14 × 39,960.17
  4. Step 4: Simplify right side
    73,778.15x = 4,413,126,649.08
  5. Step 5: Solve for x
    x = 4,413,126,649.08/73,778.15
  6. Step 6: Final answer
    x = 59,816.18

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1.5x scale

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.