Home / 103,667.05-155,402.06-40,527.65

Finding the Fourth Proportional to 103,667.05, 155,402.06 and 40,527.65

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Solution

The fourth proportional to 103,667.05, 155,402.06 and 40,527.65 is: 60,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,667.05 : 155,402.06 = 40,527.65 : x
  2. Step 2: Convert to fraction form
    103,667.05/155,402.06 = 40,527.65/x
  3. Step 3: Cross multiply
    103,667.05x = 155,402.06 × 40,527.65
  4. Step 4: Simplify right side
    103,667.05x = 6,298,080,296.96
  5. Step 5: Solve for x
    x = 6,298,080,296.96/103,667.05
  6. Step 6: Final answer
    x = 60,752.96

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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.