Home / 100,681.38-151,019.64-41,476.05

Finding the Fourth Proportional to 100,681.38, 151,019.64 and 41,476.05

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Solution

The fourth proportional to 100,681.38, 151,019.64 and 41,476.05 is: 62,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,681.38 : 151,019.64 = 41,476.05 : x
  2. Step 2: Convert to fraction form
    100,681.38/151,019.64 = 41,476.05/x
  3. Step 3: Cross multiply
    100,681.38x = 151,019.64 × 41,476.05
  4. Step 4: Simplify right side
    100,681.38x = 6,263,698,139.62
  5. Step 5: Solve for x
    x = 6,263,698,139.62/100,681.38
  6. Step 6: Final answer
    x = 62,213.07

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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.