Home / 69,890.28-96,452.64-52,631.75

Finding the Fourth Proportional to 69,890.28, 96,452.64 and 52,631.75

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Solution

The fourth proportional to 69,890.28, 96,452.64 and 52,631.75 is: 72,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,890.28 : 96,452.64 = 52,631.75 : x
  2. Step 2: Convert to fraction form
    69,890.28/96,452.64 = 52,631.75/x
  3. Step 3: Cross multiply
    69,890.28x = 96,452.64 × 52,631.75
  4. Step 4: Simplify right side
    69,890.28x = 5,076,471,235.32
  5. Step 5: Solve for x
    x = 5,076,471,235.32/69,890.28
  6. Step 6: Final answer
    x = 72,634.87

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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.