Home / 85,980.41-118,652.89-50,163.49

Finding the Fourth Proportional to 85,980.41, 118,652.89 and 50,163.49

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Solution

The fourth proportional to 85,980.41, 118,652.89 and 50,163.49 is: 69,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,980.41 : 118,652.89 = 50,163.49 : x
  2. Step 2: Convert to fraction form
    85,980.41/118,652.89 = 50,163.49/x
  3. Step 3: Cross multiply
    85,980.41x = 118,652.89 × 50,163.49
  4. Step 4: Simplify right side
    85,980.41x = 5,952,043,060.99
  5. Step 5: Solve for x
    x = 5,952,043,060.99/85,980.41
  6. Step 6: Final answer
    x = 69,225.57

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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.