Home / 90,566.22-135,803.20-53,199.30

Finding the Fourth Proportional to 90,566.22, 135,803.20 and 53,199.30

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Solution

The fourth proportional to 90,566.22, 135,803.20 and 53,199.30 is: 79,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.22 : 135,803.20 = 53,199.30 : x
  2. Step 2: Convert to fraction form
    90,566.22/135,803.20 = 53,199.30/x
  3. Step 3: Cross multiply
    90,566.22x = 135,803.20 × 53,199.30
  4. Step 4: Simplify right side
    90,566.22x = 7,224,635,177.76
  5. Step 5: Solve for x
    x = 7,224,635,177.76/90,566.22
  6. Step 6: Final answer
    x = 79,771.85

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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.