Home / 124,309.29-171,546.83-67,720.66

Finding the Fourth Proportional to 124,309.29, 171,546.83 and 67,720.66

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Solution

The fourth proportional to 124,309.29, 171,546.83 and 67,720.66 is: 93,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,309.29 : 171,546.83 = 67,720.66 : x
  2. Step 2: Convert to fraction form
    124,309.29/171,546.83 = 67,720.66/x
  3. Step 3: Cross multiply
    124,309.29x = 171,546.83 × 67,720.66
  4. Step 4: Simplify right side
    124,309.29x = 11,617,264,548.51
  5. Step 5: Solve for x
    x = 11,617,264,548.51/124,309.29
  6. Step 6: Final answer
    x = 93,454.52

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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.