Home / 85,941.05-118,612.91-50,131.08

Finding the Fourth Proportional to 85,941.05, 118,612.91 and 50,131.08

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Solution

The fourth proportional to 85,941.05, 118,612.91 and 50,131.08 is: 69,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,941.05 : 118,612.91 = 50,131.08 : x
  2. Step 2: Convert to fraction form
    85,941.05/118,612.91 = 50,131.08/x
  3. Step 3: Cross multiply
    85,941.05x = 118,612.91 × 50,131.08
  4. Step 4: Simplify right side
    85,941.05x = 5,946,193,029.59
  5. Step 5: Solve for x
    x = 5,946,193,029.59/85,941.05
  6. Step 6: Final answer
    x = 69,189.21

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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.