Home / 104,904.92-157,386.58-45,745.80

Finding the Fourth Proportional to 104,904.92, 157,386.58 and 45,745.80

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Solution

The fourth proportional to 104,904.92, 157,386.58 and 45,745.80 is: 68,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904.92 : 157,386.58 = 45,745.80 : x
  2. Step 2: Convert to fraction form
    104,904.92/157,386.58 = 45,745.80/x
  3. Step 3: Cross multiply
    104,904.92x = 157,386.58 × 45,745.80
  4. Step 4: Simplify right side
    104,904.92x = 7,199,775,011.36
  5. Step 5: Solve for x
    x = 7,199,775,011.36/104,904.92
  6. Step 6: Final answer
    x = 68,631.43

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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.