Home / 103,595.82-155,370.69-40,417.62

Finding the Fourth Proportional to 103,595.82, 155,370.69 and 40,417.62

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Solution

The fourth proportional to 103,595.82, 155,370.69 and 40,417.62 is: 60,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,595.82 : 155,370.69 = 40,417.62 : x
  2. Step 2: Convert to fraction form
    103,595.82/155,370.69 = 40,417.62/x
  3. Step 3: Cross multiply
    103,595.82x = 155,370.69 × 40,417.62
  4. Step 4: Simplify right side
    103,595.82x = 6,279,713,507.56
  5. Step 5: Solve for x
    x = 6,279,713,507.56/103,595.82
  6. Step 6: Final answer
    x = 60,617.44

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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.