Home / 85,676.08-118,234.56-47,950.24

Finding the Fourth Proportional to 85,676.08, 118,234.56 and 47,950.24

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Solution

The fourth proportional to 85,676.08, 118,234.56 and 47,950.24 is: 66,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,676.08 : 118,234.56 = 47,950.24 : x
  2. Step 2: Convert to fraction form
    85,676.08/118,234.56 = 47,950.24/x
  3. Step 3: Cross multiply
    85,676.08x = 118,234.56 × 47,950.24
  4. Step 4: Simplify right side
    85,676.08x = 5,669,375,528.29
  5. Step 5: Solve for x
    x = 5,669,375,528.29/85,676.08
  6. Step 6: Final answer
    x = 66,172.21

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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.