Home / 103,934.30-143,433.51-57,997.96

Finding the Fourth Proportional to 103,934.30, 143,433.51 and 57,997.96

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Solution

The fourth proportional to 103,934.30, 143,433.51 and 57,997.96 is: 80,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,934.30 : 143,433.51 = 57,997.96 : x
  2. Step 2: Convert to fraction form
    103,934.30/143,433.51 = 57,997.96/x
  3. Step 3: Cross multiply
    103,934.30x = 143,433.51 × 57,997.96
  4. Step 4: Simplify right side
    103,934.30x = 8,318,850,897.47
  5. Step 5: Solve for x
    x = 8,318,850,897.47/103,934.30
  6. Step 6: Final answer
    x = 80,039.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.