Home / 74,905.40-112,212.30-41,565.80

Finding the Fourth Proportional to 74,905.40, 112,212.30 and 41,565.80

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Solution

The fourth proportional to 74,905.40, 112,212.30 and 41,565.80 is: 62,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.40 : 112,212.30 = 41,565.80 : x
  2. Step 2: Convert to fraction form
    74,905.40/112,212.30 = 41,565.80/x
  3. Step 3: Cross multiply
    74,905.40x = 112,212.30 × 41,565.80
  4. Step 4: Simplify right side
    74,905.40x = 4,664,194,019.34
  5. Step 5: Solve for x
    x = 4,664,194,019.34/74,905.40
  6. Step 6: Final answer
    x = 62,267.79

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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.