Home / 79,403.25-109,586.22-45,869.25

Finding the Fourth Proportional to 79,403.25, 109,586.22 and 45,869.25

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Solution

The fourth proportional to 79,403.25, 109,586.22 and 45,869.25 is: 63,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,403.25 : 109,586.22 = 45,869.25 : x
  2. Step 2: Convert to fraction form
    79,403.25/109,586.22 = 45,869.25/x
  3. Step 3: Cross multiply
    79,403.25x = 109,586.22 × 45,869.25
  4. Step 4: Simplify right side
    79,403.25x = 5,026,637,721.74
  5. Step 5: Solve for x
    x = 5,026,637,721.74/79,403.25
  6. Step 6: Final answer
    x = 63,305.19

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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.