Home / 48,199.07-72,172.84-38,787.68

Finding the Fourth Proportional to 48,199.07, 72,172.84 and 38,787.68

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Solution

The fourth proportional to 48,199.07, 72,172.84 and 38,787.68 is: 58,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,199.07 : 72,172.84 = 38,787.68 : x
  2. Step 2: Convert to fraction form
    48,199.07/72,172.84 = 38,787.68/x
  3. Step 3: Cross multiply
    48,199.07x = 72,172.84 × 38,787.68
  4. Step 4: Simplify right side
    48,199.07x = 2,799,416,661.75
  5. Step 5: Solve for x
    x = 2,799,416,661.75/48,199.07
  6. Step 6: Final answer
    x = 58,080.31

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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.