Home / 55,956.94-77,218.20-30,463.36

Finding the Fourth Proportional to 55,956.94, 77,218.20 and 30,463.36

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Solution

The fourth proportional to 55,956.94, 77,218.20 and 30,463.36 is: 42,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.94 : 77,218.20 = 30,463.36 : x
  2. Step 2: Convert to fraction form
    55,956.94/77,218.20 = 30,463.36/x
  3. Step 3: Cross multiply
    55,956.94x = 77,218.20 × 30,463.36
  4. Step 4: Simplify right side
    55,956.94x = 2,352,325,825.15
  5. Step 5: Solve for x
    x = 2,352,325,825.15/55,956.94
  6. Step 6: Final answer
    x = 42,038.14

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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.