Home / 124,250.40-171,467.51-67,661.73

Finding the Fourth Proportional to 124,250.40, 171,467.51 and 67,661.73

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Solution

The fourth proportional to 124,250.40, 171,467.51 and 67,661.73 is: 93,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,250.40 : 171,467.51 = 67,661.73 : x
  2. Step 2: Convert to fraction form
    124,250.40/171,467.51 = 67,661.73/x
  3. Step 3: Cross multiply
    124,250.40x = 171,467.51 × 67,661.73
  4. Step 4: Simplify right side
    124,250.40x = 11,601,788,027.08
  5. Step 5: Solve for x
    x = 11,601,788,027.08/124,250.40
  6. Step 6: Final answer
    x = 93,374.25

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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.