Home / 79,575.42-109,814.04-43,767.84

Finding the Fourth Proportional to 79,575.42, 109,814.04 and 43,767.84

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Solution

The fourth proportional to 79,575.42, 109,814.04 and 43,767.84 is: 60,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575.42 : 109,814.04 = 43,767.84 : x
  2. Step 2: Convert to fraction form
    79,575.42/109,814.04 = 43,767.84/x
  3. Step 3: Cross multiply
    79,575.42x = 109,814.04 × 43,767.84
  4. Step 4: Simplify right side
    79,575.42x = 4,806,323,332.47
  5. Step 5: Solve for x
    x = 4,806,323,332.47/79,575.42
  6. Step 6: Final answer
    x = 60,399.60

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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.