Home / 48,470.97-72,698.26-13,402.43

Finding the Fourth Proportional to 48,470.97, 72,698.26 and 13,402.43

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Solution

The fourth proportional to 48,470.97, 72,698.26 and 13,402.43 is: 20,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.97 : 72,698.26 = 13,402.43 : x
  2. Step 2: Convert to fraction form
    48,470.97/72,698.26 = 13,402.43/x
  3. Step 3: Cross multiply
    48,470.97x = 72,698.26 × 13,402.43
  4. Step 4: Simplify right side
    48,470.97x = 974,333,340.77
  5. Step 5: Solve for x
    x = 974,333,340.77/48,470.97
  6. Step 6: Final answer
    x = 20,101.38

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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.