Home / 124,213.51-186,323.33-45,327.71

Finding the Fourth Proportional to 124,213.51, 186,323.33 and 45,327.71

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Solution

The fourth proportional to 124,213.51, 186,323.33 and 45,327.71 is: 67,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,213.51 : 186,323.33 = 45,327.71 : x
  2. Step 2: Convert to fraction form
    124,213.51/186,323.33 = 45,327.71/x
  3. Step 3: Cross multiply
    124,213.51x = 186,323.33 × 45,327.71
  4. Step 4: Simplify right side
    124,213.51x = 8,445,610,107.64
  5. Step 5: Solve for x
    x = 8,445,610,107.64/124,213.51
  6. Step 6: Final answer
    x = 67,992.69

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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.