Home / 121,797.02-168,076.92-68,088.35

Finding the Fourth Proportional to 121,797.02, 168,076.92 and 68,088.35

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Solution

The fourth proportional to 121,797.02, 168,076.92 and 68,088.35 is: 93,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,797.02 : 168,076.92 = 68,088.35 : x
  2. Step 2: Convert to fraction form
    121,797.02/168,076.92 = 68,088.35/x
  3. Step 3: Cross multiply
    121,797.02x = 168,076.92 × 68,088.35
  4. Step 4: Simplify right side
    121,797.02x = 11,444,078,975.06
  5. Step 5: Solve for x
    x = 11,444,078,975.06/121,797.02
  6. Step 6: Final answer
    x = 93,960.26

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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.