Home / 98,441.08-147,648.96-31,874.56

Finding the Fourth Proportional to 98,441.08, 147,648.96 and 31,874.56

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Solution

The fourth proportional to 98,441.08, 147,648.96 and 31,874.56 is: 47,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,441.08 : 147,648.96 = 31,874.56 : x
  2. Step 2: Convert to fraction form
    98,441.08/147,648.96 = 31,874.56/x
  3. Step 3: Cross multiply
    98,441.08x = 147,648.96 × 31,874.56
  4. Step 4: Simplify right side
    98,441.08x = 4,706,245,634.46
  5. Step 5: Solve for x
    x = 4,706,245,634.46/98,441.08
  6. Step 6: Final answer
    x = 47,807.74

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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.