Home / 100,371.36-150,397.26-52,984.74

Finding the Fourth Proportional to 100,371.36, 150,397.26 and 52,984.74

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Solution

The fourth proportional to 100,371.36, 150,397.26 and 52,984.74 is: 79,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,371.36 : 150,397.26 = 52,984.74 : x
  2. Step 2: Convert to fraction form
    100,371.36/150,397.26 = 52,984.74/x
  3. Step 3: Cross multiply
    100,371.36x = 150,397.26 × 52,984.74
  4. Step 4: Simplify right side
    100,371.36x = 7,968,759,717.81
  5. Step 5: Solve for x
    x = 7,968,759,717.81/100,371.36
  6. Step 6: Final answer
    x = 79,392.76

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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.