Home / 107,002.14-160,415.64-40,404.48

Finding the Fourth Proportional to 107,002.14, 160,415.64 and 40,404.48

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Solution

The fourth proportional to 107,002.14, 160,415.64 and 40,404.48 is: 60,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,002.14 : 160,415.64 = 40,404.48 : x
  2. Step 2: Convert to fraction form
    107,002.14/160,415.64 = 40,404.48/x
  3. Step 3: Cross multiply
    107,002.14x = 160,415.64 × 40,404.48
  4. Step 4: Simplify right side
    107,002.14x = 6,481,510,518.07
  5. Step 5: Solve for x
    x = 6,481,510,518.07/107,002.14
  6. Step 6: Final answer
    x = 60,573.65

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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.