Home / 78,272.47-108,008.87-44,284.06

Finding the Fourth Proportional to 78,272.47, 108,008.87 and 44,284.06

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Solution

The fourth proportional to 78,272.47, 108,008.87 and 44,284.06 is: 61,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,272.47 : 108,008.87 = 44,284.06 : x
  2. Step 2: Convert to fraction form
    78,272.47/108,008.87 = 44,284.06/x
  3. Step 3: Cross multiply
    78,272.47x = 108,008.87 × 44,284.06
  4. Step 4: Simplify right side
    78,272.47x = 4,783,070,788.17
  5. Step 5: Solve for x
    x = 4,783,070,788.17/78,272.47
  6. Step 6: Final answer
    x = 61,107.96

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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.