Home / 85,432.73-117,892.28-51,016.30

Finding the Fourth Proportional to 85,432.73, 117,892.28 and 51,016.30

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Solution

The fourth proportional to 85,432.73, 117,892.28 and 51,016.30 is: 70,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,432.73 : 117,892.28 = 51,016.30 : x
  2. Step 2: Convert to fraction form
    85,432.73/117,892.28 = 51,016.30/x
  3. Step 3: Cross multiply
    85,432.73x = 117,892.28 × 51,016.30
  4. Step 4: Simplify right side
    85,432.73x = 6,014,427,513.95
  5. Step 5: Solve for x
    x = 6,014,427,513.95/85,432.73
  6. Step 6: Final answer
    x = 70,399.57

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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.