Home / 69,165.72-103,280.31-60,669.36

Finding the Fourth Proportional to 69,165.72, 103,280.31 and 60,669.36

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Solution

The fourth proportional to 69,165.72, 103,280.31 and 60,669.36 is: 90,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,165.72 : 103,280.31 = 60,669.36 : x
  2. Step 2: Convert to fraction form
    69,165.72/103,280.31 = 60,669.36/x
  3. Step 3: Cross multiply
    69,165.72x = 103,280.31 × 60,669.36
  4. Step 4: Simplify right side
    69,165.72x = 6,265,950,308.30
  5. Step 5: Solve for x
    x = 6,265,950,308.30/69,165.72
  6. Step 6: Final answer
    x = 90,593.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.