Home / 79,018.23-109,045.26-45,025.23

Finding the Fourth Proportional to 79,018.23, 109,045.26 and 45,025.23

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Solution

The fourth proportional to 79,018.23, 109,045.26 and 45,025.23 is: 62,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,018.23 : 109,045.26 = 45,025.23 : x
  2. Step 2: Convert to fraction form
    79,018.23/109,045.26 = 45,025.23/x
  3. Step 3: Cross multiply
    79,018.23x = 109,045.26 × 45,025.23
  4. Step 4: Simplify right side
    79,018.23x = 4,909,787,911.91
  5. Step 5: Solve for x
    x = 4,909,787,911.91/79,018.23
  6. Step 6: Final answer
    x = 62,134.88

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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.