Home / 103,394.07-155,091.92-56,621.43

Finding the Fourth Proportional to 103,394.07, 155,091.92 and 56,621.43

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Solution

The fourth proportional to 103,394.07, 155,091.92 and 56,621.43 is: 84,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,394.07 : 155,091.92 = 56,621.43 : x
  2. Step 2: Convert to fraction form
    103,394.07/155,091.92 = 56,621.43/x
  3. Step 3: Cross multiply
    103,394.07x = 155,091.92 × 56,621.43
  4. Step 4: Simplify right side
    103,394.07x = 8,781,526,008.74
  5. Step 5: Solve for x
    x = 8,781,526,008.74/103,394.07
  6. Step 6: Final answer
    x = 84,932.59

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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.