Home / 83,946.52-125,842.02-31,315.96

Finding the Fourth Proportional to 83,946.52, 125,842.02 and 31,315.96

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Solution

The fourth proportional to 83,946.52, 125,842.02 and 31,315.96 is: 46,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,946.52 : 125,842.02 = 31,315.96 : x
  2. Step 2: Convert to fraction form
    83,946.52/125,842.02 = 31,315.96/x
  3. Step 3: Cross multiply
    83,946.52x = 125,842.02 × 31,315.96
  4. Step 4: Simplify right side
    83,946.52x = 3,940,863,664.64
  5. Step 5: Solve for x
    x = 3,940,863,664.64/83,946.52
  6. Step 6: Final answer
    x = 46,944.93

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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.