Home / 72,536.90-108,782.30-23,277.38

Finding the Fourth Proportional to 72,536.90, 108,782.30 and 23,277.38

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Solution

The fourth proportional to 72,536.90, 108,782.30 and 23,277.38 is: 34,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536.90 : 108,782.30 = 23,277.38 : x
  2. Step 2: Convert to fraction form
    72,536.90/108,782.30 = 23,277.38/x
  3. Step 3: Cross multiply
    72,536.90x = 108,782.30 × 23,277.38
  4. Step 4: Simplify right side
    72,536.90x = 2,532,166,448.66
  5. Step 5: Solve for x
    x = 2,532,166,448.66/72,536.90
  6. Step 6: Final answer
    x = 34,908.67

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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.