Home / 72,971.16-109,476.24-26,224.44

Finding the Fourth Proportional to 72,971.16, 109,476.24 and 26,224.44

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Solution

The fourth proportional to 72,971.16, 109,476.24 and 26,224.44 is: 39,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,971.16 : 109,476.24 = 26,224.44 : x
  2. Step 2: Convert to fraction form
    72,971.16/109,476.24 = 26,224.44/x
  3. Step 3: Cross multiply
    72,971.16x = 109,476.24 × 26,224.44
  4. Step 4: Simplify right side
    72,971.16x = 2,870,953,087.31
  5. Step 5: Solve for x
    x = 2,870,953,087.31/72,971.16
  6. Step 6: Final answer
    x = 39,343.67

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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.