Home / 55,749.04-76,937.46-31,550.02

Finding the Fourth Proportional to 55,749.04, 76,937.46 and 31,550.02

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Solution

The fourth proportional to 55,749.04, 76,937.46 and 31,550.02 is: 43,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,749.04 : 76,937.46 = 31,550.02 : x
  2. Step 2: Convert to fraction form
    55,749.04/76,937.46 = 31,550.02/x
  3. Step 3: Cross multiply
    55,749.04x = 76,937.46 × 31,550.02
  4. Step 4: Simplify right side
    55,749.04x = 2,427,378,401.75
  5. Step 5: Solve for x
    x = 2,427,378,401.75/55,749.04
  6. Step 6: Final answer
    x = 43,541.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.