Home / 75,458.50-104,220.21-50,264.26

Finding the Fourth Proportional to 75,458.50, 104,220.21 and 50,264.26

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Solution

The fourth proportional to 75,458.50, 104,220.21 and 50,264.26 is: 69,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.50 : 104,220.21 = 50,264.26 : x
  2. Step 2: Convert to fraction form
    75,458.50/104,220.21 = 50,264.26/x
  3. Step 3: Cross multiply
    75,458.50x = 104,220.21 × 50,264.26
  4. Step 4: Simplify right side
    75,458.50x = 5,238,551,732.69
  5. Step 5: Solve for x
    x = 5,238,551,732.69/75,458.50
  6. Step 6: Final answer
    x = 69,422.95

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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.