Home / 85,456.22-117,911.57-49,627.76

Finding the Fourth Proportional to 85,456.22, 117,911.57 and 49,627.76

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Solution

The fourth proportional to 85,456.22, 117,911.57 and 49,627.76 is: 68,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,456.22 : 117,911.57 = 49,627.76 : x
  2. Step 2: Convert to fraction form
    85,456.22/117,911.57 = 49,627.76/x
  3. Step 3: Cross multiply
    85,456.22x = 117,911.57 × 49,627.76
  4. Step 4: Simplify right side
    85,456.22x = 5,851,686,259.49
  5. Step 5: Solve for x
    x = 5,851,686,259.49/85,456.22
  6. Step 6: Final answer
    x = 68,475.84

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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.