Home / 90,801.05-125,367.17-56,823.26

Finding the Fourth Proportional to 90,801.05, 125,367.17 and 56,823.26

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Solution

The fourth proportional to 90,801.05, 125,367.17 and 56,823.26 is: 78,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,801.05 : 125,367.17 = 56,823.26 : x
  2. Step 2: Convert to fraction form
    90,801.05/125,367.17 = 56,823.26/x
  3. Step 3: Cross multiply
    90,801.05x = 125,367.17 × 56,823.26
  4. Step 4: Simplify right side
    90,801.05x = 7,123,771,325.68
  5. Step 5: Solve for x
    x = 7,123,771,325.68/90,801.05
  6. Step 6: Final answer
    x = 78,454.73

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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.