Home / 79,237.13-109,348.10-43,426.37

Finding the Fourth Proportional to 79,237.13, 109,348.10 and 43,426.37

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Solution

The fourth proportional to 79,237.13, 109,348.10 and 43,426.37 is: 59,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,237.13 : 109,348.10 = 43,426.37 : x
  2. Step 2: Convert to fraction form
    79,237.13/109,348.10 = 43,426.37/x
  3. Step 3: Cross multiply
    79,237.13x = 109,348.10 × 43,426.37
  4. Step 4: Simplify right side
    79,237.13x = 4,748,590,832.27
  5. Step 5: Solve for x
    x = 4,748,590,832.27/79,237.13
  6. Step 6: Final answer
    x = 59,928.86

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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.