Home / 79,274.07-109,397.64-43,463.49

Finding the Fourth Proportional to 79,274.07, 109,397.64 and 43,463.49

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Solution

The fourth proportional to 79,274.07, 109,397.64 and 43,463.49 is: 59,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.07 : 109,397.64 = 43,463.49 : x
  2. Step 2: Convert to fraction form
    79,274.07/109,397.64 = 43,463.49/x
  3. Step 3: Cross multiply
    79,274.07x = 109,397.64 × 43,463.49
  4. Step 4: Simplify right side
    79,274.07x = 4,754,803,232.16
  5. Step 5: Solve for x
    x = 4,754,803,232.16/79,274.07
  6. Step 6: Final answer
    x = 59,979.30

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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.