Home / 104,425.77-144,103.70-56,678.09

Finding the Fourth Proportional to 104,425.77, 144,103.70 and 56,678.09

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Solution

The fourth proportional to 104,425.77, 144,103.70 and 56,678.09 is: 78,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.77 : 144,103.70 = 56,678.09 : x
  2. Step 2: Convert to fraction form
    104,425.77/144,103.70 = 56,678.09/x
  3. Step 3: Cross multiply
    104,425.77x = 144,103.70 × 56,678.09
  4. Step 4: Simplify right side
    104,425.77x = 8,167,522,194.54
  5. Step 5: Solve for x
    x = 8,167,522,194.54/104,425.77
  6. Step 6: Final answer
    x = 78,213.67

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1.5x scale

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.