Home / 135,790.74-203,688.40-47,046.86

Finding the Fourth Proportional to 135,790.74, 203,688.40 and 47,046.86

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Solution

The fourth proportional to 135,790.74, 203,688.40 and 47,046.86 is: 70,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,790.74 : 203,688.40 = 47,046.86 : x
  2. Step 2: Convert to fraction form
    135,790.74/203,688.40 = 47,046.86/x
  3. Step 3: Cross multiply
    135,790.74x = 203,688.40 × 47,046.86
  4. Step 4: Simplify right side
    135,790.74x = 9,582,899,638.42
  5. Step 5: Solve for x
    x = 9,582,899,638.42/135,790.74
  6. Step 6: Final answer
    x = 70,571.08

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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.