Home / 83,665.86-125,374.15-46,236.61

Finding the Fourth Proportional to 83,665.86, 125,374.15 and 46,236.61

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Solution

The fourth proportional to 83,665.86, 125,374.15 and 46,236.61 is: 69,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,665.86 : 125,374.15 = 46,236.61 : x
  2. Step 2: Convert to fraction form
    83,665.86/125,374.15 = 46,236.61/x
  3. Step 3: Cross multiply
    83,665.86x = 125,374.15 × 46,236.61
  4. Step 4: Simplify right side
    83,665.86x = 5,796,875,677.63
  5. Step 5: Solve for x
    x = 5,796,875,677.63/83,665.86
  6. Step 6: Final answer
    x = 69,286.03

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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.