Home / 84,363.39-116,419.28-46,121.81

Finding the Fourth Proportional to 84,363.39, 116,419.28 and 46,121.81

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Solution

The fourth proportional to 84,363.39, 116,419.28 and 46,121.81 is: 63,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,363.39 : 116,419.28 = 46,121.81 : x
  2. Step 2: Convert to fraction form
    84,363.39/116,419.28 = 46,121.81/x
  3. Step 3: Cross multiply
    84,363.39x = 116,419.28 × 46,121.81
  4. Step 4: Simplify right side
    84,363.39x = 5,369,467,099.79
  5. Step 5: Solve for x
    x = 5,369,467,099.79/84,363.39
  6. Step 6: Final answer
    x = 63,646.89

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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.