Home / 90,755.84-125,250.71-50,477.38

Finding the Fourth Proportional to 90,755.84, 125,250.71 and 50,477.38

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Solution

The fourth proportional to 90,755.84, 125,250.71 and 50,477.38 is: 69,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,755.84 : 125,250.71 = 50,477.38 : x
  2. Step 2: Convert to fraction form
    90,755.84/125,250.71 = 50,477.38/x
  3. Step 3: Cross multiply
    90,755.84x = 125,250.71 × 50,477.38
  4. Step 4: Simplify right side
    90,755.84x = 6,322,327,118.43
  5. Step 5: Solve for x
    x = 6,322,327,118.43/90,755.84
  6. Step 6: Final answer
    x = 69,663.03

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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.