Home / 113,125.72-169,430.16-54,003.04

Finding the Fourth Proportional to 113,125.72, 169,430.16 and 54,003.04

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Solution

The fourth proportional to 113,125.72, 169,430.16 and 54,003.04 is: 80,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,125.72 : 169,430.16 = 54,003.04 : x
  2. Step 2: Convert to fraction form
    113,125.72/169,430.16 = 54,003.04/x
  3. Step 3: Cross multiply
    113,125.72x = 169,430.16 × 54,003.04
  4. Step 4: Simplify right side
    113,125.72x = 9,149,743,707.69
  5. Step 5: Solve for x
    x = 9,149,743,707.69/113,125.72
  6. Step 6: Final answer
    x = 80,881.20

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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.