Home / 51,948.09-71,671.49-31,783.95

Finding the Fourth Proportional to 51,948.09, 71,671.49 and 31,783.95

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Solution

The fourth proportional to 51,948.09, 71,671.49 and 31,783.95 is: 43,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,948.09 : 71,671.49 = 31,783.95 : x
  2. Step 2: Convert to fraction form
    51,948.09/71,671.49 = 31,783.95/x
  3. Step 3: Cross multiply
    51,948.09x = 71,671.49 × 31,783.95
  4. Step 4: Simplify right side
    51,948.09x = 2,278,002,895.67
  5. Step 5: Solve for x
    x = 2,278,002,895.67/51,948.09
  6. Step 6: Final answer
    x = 43,851.52

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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.