Home / 90,538.77-135,941.47-50,635.94

Finding the Fourth Proportional to 90,538.77, 135,941.47 and 50,635.94

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Solution

The fourth proportional to 90,538.77, 135,941.47 and 50,635.94 is: 76,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,538.77 : 135,941.47 = 50,635.94 : x
  2. Step 2: Convert to fraction form
    90,538.77/135,941.47 = 50,635.94/x
  3. Step 3: Cross multiply
    90,538.77x = 135,941.47 × 50,635.94
  4. Step 4: Simplify right side
    90,538.77x = 6,883,523,438.72
  5. Step 5: Solve for x
    x = 6,883,523,438.72/90,538.77
  6. Step 6: Final answer
    x = 76,028.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.