Home / 108,715.47-150,027.05-60,969.84

Finding the Fourth Proportional to 108,715.47, 150,027.05 and 60,969.84

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Solution

The fourth proportional to 108,715.47, 150,027.05 and 60,969.84 is: 84,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,715.47 : 150,027.05 = 60,969.84 : x
  2. Step 2: Convert to fraction form
    108,715.47/150,027.05 = 60,969.84/x
  3. Step 3: Cross multiply
    108,715.47x = 150,027.05 × 60,969.84
  4. Step 4: Simplify right side
    108,715.47x = 9,147,124,824.00
  5. Step 5: Solve for x
    x = 9,147,124,824.00/108,715.47
  6. Step 6: Final answer
    x = 84,138.21

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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.