Home / 105,110.04-157,714.27-45,938.03

Finding the Fourth Proportional to 105,110.04, 157,714.27 and 45,938.03

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Solution

The fourth proportional to 105,110.04, 157,714.27 and 45,938.03 is: 68,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,110.04 : 157,714.27 = 45,938.03 : x
  2. Step 2: Convert to fraction form
    105,110.04/157,714.27 = 45,938.03/x
  3. Step 3: Cross multiply
    105,110.04x = 157,714.27 × 45,938.03
  4. Step 4: Simplify right side
    105,110.04x = 7,245,082,221.67
  5. Step 5: Solve for x
    x = 7,245,082,221.67/105,110.04
  6. Step 6: Final answer
    x = 68,928.54

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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.