Home / 79,369.15-109,532.58-43,560.46

Finding the Fourth Proportional to 79,369.15, 109,532.58 and 43,560.46

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Solution

The fourth proportional to 79,369.15, 109,532.58 and 43,560.46 is: 60,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,369.15 : 109,532.58 = 43,560.46 : x
  2. Step 2: Convert to fraction form
    79,369.15/109,532.58 = 43,560.46/x
  3. Step 3: Cross multiply
    79,369.15x = 109,532.58 × 43,560.46
  4. Step 4: Simplify right side
    79,369.15x = 4,771,289,569.79
  5. Step 5: Solve for x
    x = 4,771,289,569.79/79,369.15
  6. Step 6: Final answer
    x = 60,115.17

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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.