Home / 69,173.71-103,594.23-39,501.61

Finding the Fourth Proportional to 69,173.71, 103,594.23 and 39,501.61

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Solution

The fourth proportional to 69,173.71, 103,594.23 and 39,501.61 is: 59,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,173.71 : 103,594.23 = 39,501.61 : x
  2. Step 2: Convert to fraction form
    69,173.71/103,594.23 = 39,501.61/x
  3. Step 3: Cross multiply
    69,173.71x = 103,594.23 × 39,501.61
  4. Step 4: Simplify right side
    69,173.71x = 4,092,138,871.71
  5. Step 5: Solve for x
    x = 4,092,138,871.71/69,173.71
  6. Step 6: Final answer
    x = 59,157.43

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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.