Home / 135,788.74-203,685.40-47,044.86

Finding the Fourth Proportional to 135,788.74, 203,685.40 and 47,044.86

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Solution

The fourth proportional to 135,788.74, 203,685.40 and 47,044.86 is: 70,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,788.74 : 203,685.40 = 47,044.86 : x
  2. Step 2: Convert to fraction form
    135,788.74/203,685.40 = 47,044.86/x
  3. Step 3: Cross multiply
    135,788.74x = 203,685.40 × 47,044.86
  4. Step 4: Simplify right side
    135,788.74x = 9,582,351,127.04
  5. Step 5: Solve for x
    x = 9,582,351,127.04/135,788.74
  6. Step 6: Final answer
    x = 70,568.08

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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.