Home / 89,161.74-123,042.39-48,875.37

Finding the Fourth Proportional to 89,161.74, 123,042.39 and 48,875.37

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Solution

The fourth proportional to 89,161.74, 123,042.39 and 48,875.37 is: 67,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.74 : 123,042.39 = 48,875.37 : x
  2. Step 2: Convert to fraction form
    89,161.74/123,042.39 = 48,875.37/x
  3. Step 3: Cross multiply
    89,161.74x = 123,042.39 × 48,875.37
  4. Step 4: Simplify right side
    89,161.74x = 6,013,742,336.93
  5. Step 5: Solve for x
    x = 6,013,742,336.93/89,161.74
  6. Step 6: Final answer
    x = 67,447.57

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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.