Home / 69,721.64-104,579.70-60,331.19

Finding the Fourth Proportional to 69,721.64, 104,579.70 and 60,331.19

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Solution

The fourth proportional to 69,721.64, 104,579.70 and 60,331.19 is: 90,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721.64 : 104,579.70 = 60,331.19 : x
  2. Step 2: Convert to fraction form
    69,721.64/104,579.70 = 60,331.19/x
  3. Step 3: Cross multiply
    69,721.64x = 104,579.70 × 60,331.19
  4. Step 4: Simplify right side
    69,721.64x = 6,309,417,750.84
  5. Step 5: Solve for x
    x = 6,309,417,750.84/69,721.64
  6. Step 6: Final answer
    x = 90,494.40

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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.