Home / 98,644.20-147,869.10-48,683.40

Finding the Fourth Proportional to 98,644.20, 147,869.10 and 48,683.40

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Solution

The fourth proportional to 98,644.20, 147,869.10 and 48,683.40 is: 72,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,644.20 : 147,869.10 = 48,683.40 : x
  2. Step 2: Convert to fraction form
    98,644.20/147,869.10 = 48,683.40/x
  3. Step 3: Cross multiply
    98,644.20x = 147,869.10 × 48,683.40
  4. Step 4: Simplify right side
    98,644.20x = 7,198,770,542.94
  5. Step 5: Solve for x
    x = 7,198,770,542.94/98,644.20
  6. Step 6: Final answer
    x = 72,977.13

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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.