Home / 65,256.81-90,097.75-50,122.38

Finding the Fourth Proportional to 65,256.81, 90,097.75 and 50,122.38

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Solution

The fourth proportional to 65,256.81, 90,097.75 and 50,122.38 is: 69,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,256.81 : 90,097.75 = 50,122.38 : x
  2. Step 2: Convert to fraction form
    65,256.81/90,097.75 = 50,122.38/x
  3. Step 3: Cross multiply
    65,256.81x = 90,097.75 × 50,122.38
  4. Step 4: Simplify right side
    65,256.81x = 4,515,914,063.16
  5. Step 5: Solve for x
    x = 4,515,914,063.16/65,256.81
  6. Step 6: Final answer
    x = 69,202.19

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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.