Home / 104,421.38-144,101.64-56,674.73

Finding the Fourth Proportional to 104,421.38, 144,101.64 and 56,674.73

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Solution

The fourth proportional to 104,421.38, 144,101.64 and 56,674.73 is: 78,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.38 : 144,101.64 = 56,674.73 : x
  2. Step 2: Convert to fraction form
    104,421.38/144,101.64 = 56,674.73/x
  3. Step 3: Cross multiply
    104,421.38x = 144,101.64 × 56,674.73
  4. Step 4: Simplify right side
    104,421.38x = 8,166,921,539.56
  5. Step 5: Solve for x
    x = 8,166,921,539.56/104,421.38
  6. Step 6: Final answer
    x = 78,211.20

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Double scale
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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.