Home / 91,014.22-125,600.21-50,730.54

Finding the Fourth Proportional to 91,014.22, 125,600.21 and 50,730.54

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Solution

The fourth proportional to 91,014.22, 125,600.21 and 50,730.54 is: 70,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,014.22 : 125,600.21 = 50,730.54 : x
  2. Step 2: Convert to fraction form
    91,014.22/125,600.21 = 50,730.54/x
  3. Step 3: Cross multiply
    91,014.22x = 125,600.21 × 50,730.54
  4. Step 4: Simplify right side
    91,014.22x = 6,371,766,477.41
  5. Step 5: Solve for x
    x = 6,371,766,477.41/91,014.22
  6. Step 6: Final answer
    x = 70,008.47

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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.