Home / 85,243.28-117,633.47-47,002.18

Finding the Fourth Proportional to 85,243.28, 117,633.47 and 47,002.18

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Solution

The fourth proportional to 85,243.28, 117,633.47 and 47,002.18 is: 64,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,243.28 : 117,633.47 = 47,002.18 : x
  2. Step 2: Convert to fraction form
    85,243.28/117,633.47 = 47,002.18/x
  3. Step 3: Cross multiply
    85,243.28x = 117,633.47 × 47,002.18
  4. Step 4: Simplify right side
    85,243.28x = 5,529,029,057.01
  5. Step 5: Solve for x
    x = 5,529,029,057.01/85,243.28
  6. Step 6: Final answer
    x = 64,861.76

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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.