Home / 124,704.18-187,066.56-53,628.51

Finding the Fourth Proportional to 124,704.18, 187,066.56 and 53,628.51

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Solution

The fourth proportional to 124,704.18, 187,066.56 and 53,628.51 is: 80,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704.18 : 187,066.56 = 53,628.51 : x
  2. Step 2: Convert to fraction form
    124,704.18/187,066.56 = 53,628.51/x
  3. Step 3: Cross multiply
    124,704.18x = 187,066.56 × 53,628.51
  4. Step 4: Simplify right side
    124,704.18x = 10,032,100,207.86
  5. Step 5: Solve for x
    x = 10,032,100,207.86/124,704.18
  6. Step 6: Final answer
    x = 80,447.18

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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.