Home / 89,891.27-124,160.34-67,331.08

Finding the Fourth Proportional to 89,891.27, 124,160.34 and 67,331.08

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Solution

The fourth proportional to 89,891.27, 124,160.34 and 67,331.08 is: 92,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,891.27 : 124,160.34 = 67,331.08 : x
  2. Step 2: Convert to fraction form
    89,891.27/124,160.34 = 67,331.08/x
  3. Step 3: Cross multiply
    89,891.27x = 124,160.34 × 67,331.08
  4. Step 4: Simplify right side
    89,891.27x = 8,359,849,785.37
  5. Step 5: Solve for x
    x = 8,359,849,785.37/89,891.27
  6. Step 6: Final answer
    x = 92,999.57

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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.