Home / 104,786.91-157,092.19-45,577.98

Finding the Fourth Proportional to 104,786.91, 157,092.19 and 45,577.98

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Solution

The fourth proportional to 104,786.91, 157,092.19 and 45,577.98 is: 68,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,786.91 : 157,092.19 = 45,577.98 : x
  2. Step 2: Convert to fraction form
    104,786.91/157,092.19 = 45,577.98/x
  3. Step 3: Cross multiply
    104,786.91x = 157,092.19 × 45,577.98
  4. Step 4: Simplify right side
    104,786.91x = 7,159,944,693.98
  5. Step 5: Solve for x
    x = 7,159,944,693.98/104,786.91
  6. Step 6: Final answer
    x = 68,328.62

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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.