Home / 79,707.38-109,996.18-43,897.32

Finding the Fourth Proportional to 79,707.38, 109,996.18 and 43,897.32

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Solution

The fourth proportional to 79,707.38, 109,996.18 and 43,897.32 is: 60,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,707.38 : 109,996.18 = 43,897.32 : x
  2. Step 2: Convert to fraction form
    79,707.38/109,996.18 = 43,897.32/x
  3. Step 3: Cross multiply
    79,707.38x = 109,996.18 × 43,897.32
  4. Step 4: Simplify right side
    79,707.38x = 4,828,537,402.49
  5. Step 5: Solve for x
    x = 4,828,537,402.49/79,707.38
  6. Step 6: Final answer
    x = 60,578.30

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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.