Home / 120,578.49-180,911.61-41,700.69

Finding the Fourth Proportional to 120,578.49, 180,911.61 and 41,700.69

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Solution

The fourth proportional to 120,578.49, 180,911.61 and 41,700.69 is: 62,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,578.49 : 180,911.61 = 41,700.69 : x
  2. Step 2: Convert to fraction form
    120,578.49/180,911.61 = 41,700.69/x
  3. Step 3: Cross multiply
    120,578.49x = 180,911.61 × 41,700.69
  4. Step 4: Simplify right side
    120,578.49x = 7,544,138,966.01
  5. Step 5: Solve for x
    x = 7,544,138,966.01/120,578.49
  6. Step 6: Final answer
    x = 62,566.21

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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.