Home / 90,428.97-135,534.66-33,457.46

Finding the Fourth Proportional to 90,428.97, 135,534.66 and 33,457.46

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Solution

The fourth proportional to 90,428.97, 135,534.66 and 33,457.46 is: 50,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,428.97 : 135,534.66 = 33,457.46 : x
  2. Step 2: Convert to fraction form
    90,428.97/135,534.66 = 33,457.46/x
  3. Step 3: Cross multiply
    90,428.97x = 135,534.66 × 33,457.46
  4. Step 4: Simplify right side
    90,428.97x = 4,534,644,662.42
  5. Step 5: Solve for x
    x = 4,534,644,662.42/90,428.97
  6. Step 6: Final answer
    x = 50,145.93

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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.