Home / 75,666.83-104,418.99-41,678.55

Finding the Fourth Proportional to 75,666.83, 104,418.99 and 41,678.55

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Solution

The fourth proportional to 75,666.83, 104,418.99 and 41,678.55 is: 57,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.83 : 104,418.99 = 41,678.55 : x
  2. Step 2: Convert to fraction form
    75,666.83/104,418.99 = 41,678.55/x
  3. Step 3: Cross multiply
    75,666.83x = 104,418.99 × 41,678.55
  4. Step 4: Simplify right side
    75,666.83x = 4,352,032,095.66
  5. Step 5: Solve for x
    x = 4,352,032,095.66/75,666.83
  6. Step 6: Final answer
    x = 57,515.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.