Home / 79,707.18-109,995.96-43,897.14

Finding the Fourth Proportional to 79,707.18, 109,995.96 and 43,897.14

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Solution

The fourth proportional to 79,707.18, 109,995.96 and 43,897.14 is: 60,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,707.18 : 109,995.96 = 43,897.14 : x
  2. Step 2: Convert to fraction form
    79,707.18/109,995.96 = 43,897.14/x
  3. Step 3: Cross multiply
    79,707.18x = 109,995.96 × 43,897.14
  4. Step 4: Simplify right side
    79,707.18x = 4,828,508,055.55
  5. Step 5: Solve for x
    x = 4,828,508,055.55/79,707.18
  6. Step 6: Final answer
    x = 60,578.08

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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.