Home / 124,623.12-171,979.02-68,034.49

Finding the Fourth Proportional to 124,623.12, 171,979.02 and 68,034.49

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Solution

The fourth proportional to 124,623.12, 171,979.02 and 68,034.49 is: 93,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,623.12 : 171,979.02 = 68,034.49 : x
  2. Step 2: Convert to fraction form
    124,623.12/171,979.02 = 68,034.49/x
  3. Step 3: Cross multiply
    124,623.12x = 171,979.02 × 68,034.49
  4. Step 4: Simplify right side
    124,623.12x = 11,700,504,916.40
  5. Step 5: Solve for x
    x = 11,700,504,916.40/124,623.12
  6. Step 6: Final answer
    x = 93,887.11

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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.