Home / 102,840.08-141,877.44-67,017.04

Finding the Fourth Proportional to 102,840.08, 141,877.44 and 67,017.04

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Solution

The fourth proportional to 102,840.08, 141,877.44 and 67,017.04 is: 92,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,840.08 : 141,877.44 = 67,017.04 : x
  2. Step 2: Convert to fraction form
    102,840.08/141,877.44 = 67,017.04/x
  3. Step 3: Cross multiply
    102,840.08x = 141,877.44 × 67,017.04
  4. Step 4: Simplify right side
    102,840.08x = 9,508,206,071.58
  5. Step 5: Solve for x
    x = 9,508,206,071.58/102,840.08
  6. Step 6: Final answer
    x = 92,456.23

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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.