Home / 85,839.14-128,794.14-46,349.75

Finding the Fourth Proportional to 85,839.14, 128,794.14 and 46,349.75

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Solution

The fourth proportional to 85,839.14, 128,794.14 and 46,349.75 is: 69,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,839.14 : 128,794.14 = 46,349.75 : x
  2. Step 2: Convert to fraction form
    85,839.14/128,794.14 = 46,349.75/x
  3. Step 3: Cross multiply
    85,839.14x = 128,794.14 × 46,349.75
  4. Step 4: Simplify right side
    85,839.14x = 5,969,576,190.47
  5. Step 5: Solve for x
    x = 5,969,576,190.47/85,839.14
  6. Step 6: Final answer
    x = 69,543.76

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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.