Home / 90,577.62-124,997.40-50,291.49

Finding the Fourth Proportional to 90,577.62, 124,997.40 and 50,291.49

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Solution

The fourth proportional to 90,577.62, 124,997.40 and 50,291.49 is: 69,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577.62 : 124,997.40 = 50,291.49 : x
  2. Step 2: Convert to fraction form
    90,577.62/124,997.40 = 50,291.49/x
  3. Step 3: Cross multiply
    90,577.62x = 124,997.40 × 50,291.49
  4. Step 4: Simplify right side
    90,577.62x = 6,286,305,492.13
  5. Step 5: Solve for x
    x = 6,286,305,492.13/90,577.62
  6. Step 6: Final answer
    x = 69,402.41

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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.