Home / 90,094.55-135,154.25-30,922.54

Finding the Fourth Proportional to 90,094.55, 135,154.25 and 30,922.54

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Solution

The fourth proportional to 90,094.55, 135,154.25 and 30,922.54 is: 46,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,094.55 : 135,154.25 = 30,922.54 : x
  2. Step 2: Convert to fraction form
    90,094.55/135,154.25 = 30,922.54/x
  3. Step 3: Cross multiply
    90,094.55x = 135,154.25 × 30,922.54
  4. Step 4: Simplify right side
    90,094.55x = 4,179,312,701.80
  5. Step 5: Solve for x
    x = 4,179,312,701.80/90,094.55
  6. Step 6: Final answer
    x = 46,388.07

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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.