Home / 89,889.27-124,157.58-67,329.08

Finding the Fourth Proportional to 89,889.27, 124,157.58 and 67,329.08

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Solution

The fourth proportional to 89,889.27, 124,157.58 and 67,329.08 is: 92,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,889.27 : 124,157.58 = 67,329.08 : x
  2. Step 2: Convert to fraction form
    89,889.27/124,157.58 = 67,329.08/x
  3. Step 3: Cross multiply
    89,889.27x = 124,157.58 × 67,329.08
  4. Step 4: Simplify right side
    89,889.27x = 8,359,415,299.78
  5. Step 5: Solve for x
    x = 8,359,415,299.78/89,889.27
  6. Step 6: Final answer
    x = 92,996.81

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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.