Home / 122,569.29-169,127.21-68,844.02

Finding the Fourth Proportional to 122,569.29, 169,127.21 and 68,844.02

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Solution

The fourth proportional to 122,569.29, 169,127.21 and 68,844.02 is: 94,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,569.29 : 169,127.21 = 68,844.02 : x
  2. Step 2: Convert to fraction form
    122,569.29/169,127.21 = 68,844.02/x
  3. Step 3: Cross multiply
    122,569.29x = 169,127.21 × 68,844.02
  4. Step 4: Simplify right side
    122,569.29x = 11,643,395,837.93
  5. Step 5: Solve for x
    x = 11,643,395,837.93/122,569.29
  6. Step 6: Final answer
    x = 94,994.40

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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.