Home / 79,300.86-109,425.07-45,311.55

Finding the Fourth Proportional to 79,300.86, 109,425.07 and 45,311.55

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Solution

The fourth proportional to 79,300.86, 109,425.07 and 45,311.55 is: 62,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,300.86 : 109,425.07 = 45,311.55 : x
  2. Step 2: Convert to fraction form
    79,300.86/109,425.07 = 45,311.55/x
  3. Step 3: Cross multiply
    79,300.86x = 109,425.07 × 45,311.55
  4. Step 4: Simplify right side
    79,300.86x = 4,958,219,530.56
  5. Step 5: Solve for x
    x = 4,958,219,530.56/79,300.86
  6. Step 6: Final answer
    x = 62,524.16

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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.