Home / 79,408.84-109,552.94-45,399.05

Finding the Fourth Proportional to 79,408.84, 109,552.94 and 45,399.05

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Solution

The fourth proportional to 79,408.84, 109,552.94 and 45,399.05 is: 62,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,408.84 : 109,552.94 = 45,399.05 : x
  2. Step 2: Convert to fraction form
    79,408.84/109,552.94 = 45,399.05/x
  3. Step 3: Cross multiply
    79,408.84x = 109,552.94 × 45,399.05
  4. Step 4: Simplify right side
    79,408.84x = 4,973,599,173.71
  5. Step 5: Solve for x
    x = 4,973,599,173.71/79,408.84
  6. Step 6: Final answer
    x = 62,632.82

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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.