Home / 108,124.74-149,203.26-62,788.32

Finding the Fourth Proportional to 108,124.74, 149,203.26 and 62,788.32

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Solution

The fourth proportional to 108,124.74, 149,203.26 and 62,788.32 is: 86,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,124.74 : 149,203.26 = 62,788.32 : x
  2. Step 2: Convert to fraction form
    108,124.74/149,203.26 = 62,788.32/x
  3. Step 3: Cross multiply
    108,124.74x = 149,203.26 × 62,788.32
  4. Step 4: Simplify right side
    108,124.74x = 9,368,222,033.92
  5. Step 5: Solve for x
    x = 9,368,222,033.92/108,124.74
  6. Step 6: Final answer
    x = 86,642.72

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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.