Home / 55,396.98-76,448.08-30,247.02

Finding the Fourth Proportional to 55,396.98, 76,448.08 and 30,247.02

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Solution

The fourth proportional to 55,396.98, 76,448.08 and 30,247.02 is: 41,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,396.98 : 76,448.08 = 30,247.02 : x
  2. Step 2: Convert to fraction form
    55,396.98/76,448.08 = 30,247.02/x
  3. Step 3: Cross multiply
    55,396.98x = 76,448.08 × 30,247.02
  4. Step 4: Simplify right side
    55,396.98x = 2,312,326,604.72
  5. Step 5: Solve for x
    x = 2,312,326,604.72/55,396.98
  6. Step 6: Final answer
    x = 41,741.02

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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.