Home / 53,876.51-74,350.32-30,003.79

Finding the Fourth Proportional to 53,876.51, 74,350.32 and 30,003.79

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Solution

The fourth proportional to 53,876.51, 74,350.32 and 30,003.79 is: 41,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,876.51 : 74,350.32 = 30,003.79 : x
  2. Step 2: Convert to fraction form
    53,876.51/74,350.32 = 30,003.79/x
  3. Step 3: Cross multiply
    53,876.51x = 74,350.32 × 30,003.79
  4. Step 4: Simplify right side
    53,876.51x = 2,230,791,089.32
  5. Step 5: Solve for x
    x = 2,230,791,089.32/53,876.51
  6. Step 6: Final answer
    x = 41,405.63

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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.