Home / 79,581.24-109,819.14-45,587.16

Finding the Fourth Proportional to 79,581.24, 109,819.14 and 45,587.16

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Solution

The fourth proportional to 79,581.24, 109,819.14 and 45,587.16 is: 62,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,581.24 : 109,819.14 = 45,587.16 : x
  2. Step 2: Convert to fraction form
    79,581.24/109,819.14 = 45,587.16/x
  3. Step 3: Cross multiply
    79,581.24x = 109,819.14 × 45,587.16
  4. Step 4: Simplify right side
    79,581.24x = 5,006,342,706.24
  5. Step 5: Solve for x
    x = 5,006,342,706.24/79,581.24
  6. Step 6: Final answer
    x = 62,908.58

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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.