Home / 77,329.17-116,021.34-47,712.51

Finding the Fourth Proportional to 77,329.17, 116,021.34 and 47,712.51

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Solution

The fourth proportional to 77,329.17, 116,021.34 and 47,712.51 is: 71,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,329.17 : 116,021.34 = 47,712.51 : x
  2. Step 2: Convert to fraction form
    77,329.17/116,021.34 = 47,712.51/x
  3. Step 3: Cross multiply
    77,329.17x = 116,021.34 × 47,712.51
  4. Step 4: Simplify right side
    77,329.17x = 5,535,669,344.96
  5. Step 5: Solve for x
    x = 5,535,669,344.96/77,329.17
  6. Step 6: Final answer
    x = 71,585.79

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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.