Home / 79,575.18-109,816.04-43,767.48

Finding the Fourth Proportional to 79,575.18, 109,816.04 and 43,767.48

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Solution

The fourth proportional to 79,575.18, 109,816.04 and 43,767.48 is: 60,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575.18 : 109,816.04 = 43,767.48 : x
  2. Step 2: Convert to fraction form
    79,575.18/109,816.04 = 43,767.48/x
  3. Step 3: Cross multiply
    79,575.18x = 109,816.04 × 43,767.48
  4. Step 4: Simplify right side
    79,575.18x = 4,806,371,334.38
  5. Step 5: Solve for x
    x = 4,806,371,334.38/79,575.18
  6. Step 6: Final answer
    x = 60,400.38

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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.