Home / 85,244.78-117,635.53-47,003.68

Finding the Fourth Proportional to 85,244.78, 117,635.53 and 47,003.68

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Solution

The fourth proportional to 85,244.78, 117,635.53 and 47,003.68 is: 64,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,244.78 : 117,635.53 = 47,003.68 : x
  2. Step 2: Convert to fraction form
    85,244.78/117,635.53 = 47,003.68/x
  3. Step 3: Cross multiply
    85,244.78x = 117,635.53 × 47,003.68
  4. Step 4: Simplify right side
    85,244.78x = 5,529,302,808.75
  5. Step 5: Solve for x
    x = 5,529,302,808.75/85,244.78
  6. Step 6: Final answer
    x = 64,863.83

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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.