Home / 81,822.15-112,913.88-46,011.39

Finding the Fourth Proportional to 81,822.15, 112,913.88 and 46,011.39

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Solution

The fourth proportional to 81,822.15, 112,913.88 and 46,011.39 is: 63,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,822.15 : 112,913.88 = 46,011.39 : x
  2. Step 2: Convert to fraction form
    81,822.15/112,913.88 = 46,011.39/x
  3. Step 3: Cross multiply
    81,822.15x = 112,913.88 × 46,011.39
  4. Step 4: Simplify right side
    81,822.15x = 5,195,324,569.09
  5. Step 5: Solve for x
    x = 5,195,324,569.09/81,822.15
  6. Step 6: Final answer
    x = 63,495.33

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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.