Home / 85,257.50-117,653.79-47,020.58

Finding the Fourth Proportional to 85,257.50, 117,653.79 and 47,020.58

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Solution

The fourth proportional to 85,257.50, 117,653.79 and 47,020.58 is: 64,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.50 : 117,653.79 = 47,020.58 : x
  2. Step 2: Convert to fraction form
    85,257.50/117,653.79 = 47,020.58/x
  3. Step 3: Cross multiply
    85,257.50x = 117,653.79 × 47,020.58
  4. Step 4: Simplify right side
    85,257.50x = 5,532,149,445.00
  5. Step 5: Solve for x
    x = 5,532,149,445.00/85,257.50
  6. Step 6: Final answer
    x = 64,887.54

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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.