Home / 85,025.64-117,340.86-47,299.86

Finding the Fourth Proportional to 85,025.64, 117,340.86 and 47,299.86

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Solution

The fourth proportional to 85,025.64, 117,340.86 and 47,299.86 is: 65,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,025.64 : 117,340.86 = 47,299.86 : x
  2. Step 2: Convert to fraction form
    85,025.64/117,340.86 = 47,299.86/x
  3. Step 3: Cross multiply
    85,025.64x = 117,340.86 × 47,299.86
  4. Step 4: Simplify right side
    85,025.64x = 5,550,206,250.28
  5. Step 5: Solve for x
    x = 5,550,206,250.28/85,025.64
  6. Step 6: Final answer
    x = 65,276.85

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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.