Home / 103,646.20-155,354.10-44,471.80

Finding the Fourth Proportional to 103,646.20, 155,354.10 and 44,471.80

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Solution

The fourth proportional to 103,646.20, 155,354.10 and 44,471.80 is: 66,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,646.20 : 155,354.10 = 44,471.80 : x
  2. Step 2: Convert to fraction form
    103,646.20/155,354.10 = 44,471.80/x
  3. Step 3: Cross multiply
    103,646.20x = 155,354.10 × 44,471.80
  4. Step 4: Simplify right side
    103,646.20x = 6,908,876,464.38
  5. Step 5: Solve for x
    x = 6,908,876,464.38/103,646.20
  6. Step 6: Final answer
    x = 66,658.27

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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.