Home / 108,712.52-150,030.38-62,774.11

Finding the Fourth Proportional to 108,712.52, 150,030.38 and 62,774.11

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Solution

The fourth proportional to 108,712.52, 150,030.38 and 62,774.11 is: 86,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,712.52 : 150,030.38 = 62,774.11 : x
  2. Step 2: Convert to fraction form
    108,712.52/150,030.38 = 62,774.11/x
  3. Step 3: Cross multiply
    108,712.52x = 150,030.38 × 62,774.11
  4. Step 4: Simplify right side
    108,712.52x = 9,418,022,827.31
  5. Step 5: Solve for x
    x = 9,418,022,827.31/108,712.52
  6. Step 6: Final answer
    x = 86,632.36

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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.