Home / 85,156.22-117,519.18-47,430.46

Finding the Fourth Proportional to 85,156.22, 117,519.18 and 47,430.46

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Solution

The fourth proportional to 85,156.22, 117,519.18 and 47,430.46 is: 65,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156.22 : 117,519.18 = 47,430.46 : x
  2. Step 2: Convert to fraction form
    85,156.22/117,519.18 = 47,430.46/x
  3. Step 3: Cross multiply
    85,156.22x = 117,519.18 × 47,430.46
  4. Step 4: Simplify right side
    85,156.22x = 5,573,988,766.22
  5. Step 5: Solve for x
    x = 5,573,988,766.22/85,156.22
  6. Step 6: Final answer
    x = 65,456.04

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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.