Home / 85,445.91-117,906.12-50,984.28

Finding the Fourth Proportional to 85,445.91, 117,906.12 and 50,984.28

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Solution

The fourth proportional to 85,445.91, 117,906.12 and 50,984.28 is: 70,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,445.91 : 117,906.12 = 50,984.28 : x
  2. Step 2: Convert to fraction form
    85,445.91/117,906.12 = 50,984.28/x
  3. Step 3: Cross multiply
    85,445.91x = 117,906.12 × 50,984.28
  4. Step 4: Simplify right side
    85,445.91x = 6,011,358,635.79
  5. Step 5: Solve for x
    x = 6,011,358,635.79/85,445.91
  6. Step 6: Final answer
    x = 70,352.80

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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.