Home / 104,945.85-157,372.34-30,048.93

Finding the Fourth Proportional to 104,945.85, 157,372.34 and 30,048.93

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Solution

The fourth proportional to 104,945.85, 157,372.34 and 30,048.93 is: 45,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,945.85 : 157,372.34 = 30,048.93 : x
  2. Step 2: Convert to fraction form
    104,945.85/157,372.34 = 30,048.93/x
  3. Step 3: Cross multiply
    104,945.85x = 157,372.34 × 30,048.93
  4. Step 4: Simplify right side
    104,945.85x = 4,728,870,278.35
  5. Step 5: Solve for x
    x = 4,728,870,278.35/104,945.85
  6. Step 6: Final answer
    x = 45,060.10

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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.