Home / 98,505.20-147,771.64-31,923.82

Finding the Fourth Proportional to 98,505.20, 147,771.64 and 31,923.82

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Solution

The fourth proportional to 98,505.20, 147,771.64 and 31,923.82 is: 47,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,505.20 : 147,771.64 = 31,923.82 : x
  2. Step 2: Convert to fraction form
    98,505.20/147,771.64 = 31,923.82/x
  3. Step 3: Cross multiply
    98,505.20x = 147,771.64 × 31,923.82
  4. Step 4: Simplify right side
    98,505.20x = 4,717,435,236.46
  5. Step 5: Solve for x
    x = 4,717,435,236.46/98,505.20
  6. Step 6: Final answer
    x = 47,890.22

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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.