Home / 90,734.68-125,213.74-50,447.17

Finding the Fourth Proportional to 90,734.68, 125,213.74 and 50,447.17

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Solution

The fourth proportional to 90,734.68, 125,213.74 and 50,447.17 is: 69,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.68 : 125,213.74 = 50,447.17 : x
  2. Step 2: Convert to fraction form
    90,734.68/125,213.74 = 50,447.17/x
  3. Step 3: Cross multiply
    90,734.68x = 125,213.74 × 50,447.17
  4. Step 4: Simplify right side
    90,734.68x = 6,316,678,828.12
  5. Step 5: Solve for x
    x = 6,316,678,828.12/90,734.68
  6. Step 6: Final answer
    x = 69,617.03

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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.