Home / 55,818.44-77,030.66-30,667.94

Finding the Fourth Proportional to 55,818.44, 77,030.66 and 30,667.94

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Solution

The fourth proportional to 55,818.44, 77,030.66 and 30,667.94 is: 42,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.44 : 77,030.66 = 30,667.94 : x
  2. Step 2: Convert to fraction form
    55,818.44/77,030.66 = 30,667.94/x
  3. Step 3: Cross multiply
    55,818.44x = 77,030.66 × 30,667.94
  4. Step 4: Simplify right side
    55,818.44x = 2,362,371,659.04
  5. Step 5: Solve for x
    x = 2,362,371,659.04/55,818.44
  6. Step 6: Final answer
    x = 42,322.42

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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.