Home / 79,480.86-109,685.93-45,500.25

Finding the Fourth Proportional to 79,480.86, 109,685.93 and 45,500.25

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Solution

The fourth proportional to 79,480.86, 109,685.93 and 45,500.25 is: 62,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480.86 : 109,685.93 = 45,500.25 : x
  2. Step 2: Convert to fraction form
    79,480.86/109,685.93 = 45,500.25/x
  3. Step 3: Cross multiply
    79,480.86x = 109,685.93 × 45,500.25
  4. Step 4: Simplify right side
    79,480.86x = 4,990,737,008.98
  5. Step 5: Solve for x
    x = 4,990,737,008.98/79,480.86
  6. Step 6: Final answer
    x = 62,791.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.