Home / 70,091.46-105,074.67-25,707.86

Finding the Fourth Proportional to 70,091.46, 105,074.67 and 25,707.86

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Solution

The fourth proportional to 70,091.46, 105,074.67 and 25,707.86 is: 38,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,091.46 : 105,074.67 = 25,707.86 : x
  2. Step 2: Convert to fraction form
    70,091.46/105,074.67 = 25,707.86/x
  3. Step 3: Cross multiply
    70,091.46x = 105,074.67 × 25,707.86
  4. Step 4: Simplify right side
    70,091.46x = 2,701,244,905.91
  5. Step 5: Solve for x
    x = 2,701,244,905.91/70,091.46
  6. Step 6: Final answer
    x = 38,538.86

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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.