Home / 108,021.55-161,718.55-62,905.36

Finding the Fourth Proportional to 108,021.55, 161,718.55 and 62,905.36

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Solution

The fourth proportional to 108,021.55, 161,718.55 and 62,905.36 is: 94,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,021.55 : 161,718.55 = 62,905.36 : x
  2. Step 2: Convert to fraction form
    108,021.55/161,718.55 = 62,905.36/x
  3. Step 3: Cross multiply
    108,021.55x = 161,718.55 × 62,905.36
  4. Step 4: Simplify right side
    108,021.55x = 10,172,963,525.01
  5. Step 5: Solve for x
    x = 10,172,963,525.01/108,021.55
  6. Step 6: Final answer
    x = 94,175.32

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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.