Home / 81,838.35-112,930.61-46,021.23

Finding the Fourth Proportional to 81,838.35, 112,930.61 and 46,021.23

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Solution

The fourth proportional to 81,838.35, 112,930.61 and 46,021.23 is: 63,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,838.35 : 112,930.61 = 46,021.23 : x
  2. Step 2: Convert to fraction form
    81,838.35/112,930.61 = 46,021.23/x
  3. Step 3: Cross multiply
    81,838.35x = 112,930.61 × 46,021.23
  4. Step 4: Simplify right side
    81,838.35x = 5,197,205,346.74
  5. Step 5: Solve for x
    x = 5,197,205,346.74/81,838.35
  6. Step 6: Final answer
    x = 63,505.74

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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.