Home / 90,803.21-125,310.17-53,099.33

Finding the Fourth Proportional to 90,803.21, 125,310.17 and 53,099.33

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Solution

The fourth proportional to 90,803.21, 125,310.17 and 53,099.33 is: 73,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803.21 : 125,310.17 = 53,099.33 : x
  2. Step 2: Convert to fraction form
    90,803.21/125,310.17 = 53,099.33/x
  3. Step 3: Cross multiply
    90,803.21x = 125,310.17 × 53,099.33
  4. Step 4: Simplify right side
    90,803.21x = 6,653,885,575.38
  5. Step 5: Solve for x
    x = 6,653,885,575.38/90,803.21
  6. Step 6: Final answer
    x = 73,278.09

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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.