Home / 81,957.86-113,092.49-46,146.95

Finding the Fourth Proportional to 81,957.86, 113,092.49 and 46,146.95

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Solution

The fourth proportional to 81,957.86, 113,092.49 and 46,146.95 is: 63,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,957.86 : 113,092.49 = 46,146.95 : x
  2. Step 2: Convert to fraction form
    81,957.86/113,092.49 = 46,146.95/x
  3. Step 3: Cross multiply
    81,957.86x = 113,092.49 × 46,146.95
  4. Step 4: Simplify right side
    81,957.86x = 5,218,873,031.31
  5. Step 5: Solve for x
    x = 5,218,873,031.31/81,957.86
  6. Step 6: Final answer
    x = 63,677.52

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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.