Home / 79,511.58-119,272.89-26,903.28

Finding the Fourth Proportional to 79,511.58, 119,272.89 and 26,903.28

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Solution

The fourth proportional to 79,511.58, 119,272.89 and 26,903.28 is: 40,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,511.58 : 119,272.89 = 26,903.28 : x
  2. Step 2: Convert to fraction form
    79,511.58/119,272.89 = 26,903.28/x
  3. Step 3: Cross multiply
    79,511.58x = 119,272.89 × 26,903.28
  4. Step 4: Simplify right side
    79,511.58x = 3,208,831,956.08
  5. Step 5: Solve for x
    x = 3,208,831,956.08/79,511.58
  6. Step 6: Final answer
    x = 40,356.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.