Home / 77,399.43-116,126.81-47,066.28

Finding the Fourth Proportional to 77,399.43, 116,126.81 and 47,066.28

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Solution

The fourth proportional to 77,399.43, 116,126.81 and 47,066.28 is: 70,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,399.43 : 116,126.81 = 47,066.28 : x
  2. Step 2: Convert to fraction form
    77,399.43/116,126.81 = 47,066.28/x
  3. Step 3: Cross multiply
    77,399.43x = 116,126.81 × 47,066.28
  4. Step 4: Simplify right side
    77,399.43x = 5,465,656,954.97
  5. Step 5: Solve for x
    x = 5,465,656,954.97/77,399.43
  6. Step 6: Final answer
    x = 70,616.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.