Home / 79,401.75-109,584.14-45,867.75

Finding the Fourth Proportional to 79,401.75, 109,584.14 and 45,867.75

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Solution

The fourth proportional to 79,401.75, 109,584.14 and 45,867.75 is: 63,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,401.75 : 109,584.14 = 45,867.75 : x
  2. Step 2: Convert to fraction form
    79,401.75/109,584.14 = 45,867.75/x
  3. Step 3: Cross multiply
    79,401.75x = 109,584.14 × 45,867.75
  4. Step 4: Simplify right side
    79,401.75x = 5,026,377,708.15
  5. Step 5: Solve for x
    x = 5,026,377,708.15/79,401.75
  6. Step 6: Final answer
    x = 63,303.11

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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.