Home / 104,764.34-157,142.28-25,876.56

Finding the Fourth Proportional to 104,764.34, 157,142.28 and 25,876.56

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Solution

The fourth proportional to 104,764.34, 157,142.28 and 25,876.56 is: 38,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,764.34 : 157,142.28 = 25,876.56 : x
  2. Step 2: Convert to fraction form
    104,764.34/157,142.28 = 25,876.56/x
  3. Step 3: Cross multiply
    104,764.34x = 157,142.28 × 25,876.56
  4. Step 4: Simplify right side
    104,764.34x = 4,066,301,636.96
  5. Step 5: Solve for x
    x = 4,066,301,636.96/104,764.34
  6. Step 6: Final answer
    x = 38,813.80

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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.