Home / 79,318.76-109,461.15-43,508.12

Finding the Fourth Proportional to 79,318.76, 109,461.15 and 43,508.12

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Solution

The fourth proportional to 79,318.76, 109,461.15 and 43,508.12 is: 60,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.76 : 109,461.15 = 43,508.12 : x
  2. Step 2: Convert to fraction form
    79,318.76/109,461.15 = 43,508.12/x
  3. Step 3: Cross multiply
    79,318.76x = 109,461.15 × 43,508.12
  4. Step 4: Simplify right side
    79,318.76x = 4,762,448,302.23
  5. Step 5: Solve for x
    x = 4,762,448,302.23/79,318.76
  6. Step 6: Final answer
    x = 60,041.89

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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.