Home / 78,274.95-108,016.12-44,284.02

Finding the Fourth Proportional to 78,274.95, 108,016.12 and 44,284.02

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Solution

The fourth proportional to 78,274.95, 108,016.12 and 44,284.02 is: 61,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,274.95 : 108,016.12 = 44,284.02 : x
  2. Step 2: Convert to fraction form
    78,274.95/108,016.12 = 44,284.02/x
  3. Step 3: Cross multiply
    78,274.95x = 108,016.12 × 44,284.02
  4. Step 4: Simplify right side
    78,274.95x = 4,783,388,003.63
  5. Step 5: Solve for x
    x = 4,783,388,003.63/78,274.95
  6. Step 6: Final answer
    x = 61,110.07

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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.