Home / 70,584.24-105,778.44-31,082.16

Finding the Fourth Proportional to 70,584.24, 105,778.44 and 31,082.16

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Solution

The fourth proportional to 70,584.24, 105,778.44 and 31,082.16 is: 46,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,584.24 : 105,778.44 = 31,082.16 : x
  2. Step 2: Convert to fraction form
    70,584.24/105,778.44 = 31,082.16/x
  3. Step 3: Cross multiply
    70,584.24x = 105,778.44 × 31,082.16
  4. Step 4: Simplify right side
    70,584.24x = 3,287,822,396.63
  5. Step 5: Solve for x
    x = 3,287,822,396.63/70,584.24
  6. Step 6: Final answer
    x = 46,580.12

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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.