Home / 124,248.15-171,464.40-67,659.48

Finding the Fourth Proportional to 124,248.15, 171,464.40 and 67,659.48

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Solution

The fourth proportional to 124,248.15, 171,464.40 and 67,659.48 is: 93,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,248.15 : 171,464.40 = 67,659.48 : x
  2. Step 2: Convert to fraction form
    124,248.15/171,464.40 = 67,659.48/x
  3. Step 3: Cross multiply
    124,248.15x = 171,464.40 × 67,659.48
  4. Step 4: Simplify right side
    124,248.15x = 11,601,192,142.51
  5. Step 5: Solve for x
    x = 11,601,192,142.51/124,248.15
  6. Step 6: Final answer
    x = 93,371.15

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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.