Home / 69,577.78-96,010.77-39,359.38

Finding the Fourth Proportional to 69,577.78, 96,010.77 and 39,359.38

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Solution

The fourth proportional to 69,577.78, 96,010.77 and 39,359.38 is: 54,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,577.78 : 96,010.77 = 39,359.38 : x
  2. Step 2: Convert to fraction form
    69,577.78/96,010.77 = 39,359.38/x
  3. Step 3: Cross multiply
    69,577.78x = 96,010.77 × 39,359.38
  4. Step 4: Simplify right side
    69,577.78x = 3,778,924,380.52
  5. Step 5: Solve for x
    x = 3,778,924,380.52/69,577.78
  6. Step 6: Final answer
    x = 54,312.23

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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.