Home / 55,193.20-82,330.72-49,878.64

Finding the Fourth Proportional to 55,193.20, 82,330.72 and 49,878.64

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Solution

The fourth proportional to 55,193.20, 82,330.72 and 49,878.64 is: 74,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,193.20 : 82,330.72 = 49,878.64 : x
  2. Step 2: Convert to fraction form
    55,193.20/82,330.72 = 49,878.64/x
  3. Step 3: Cross multiply
    55,193.20x = 82,330.72 × 49,878.64
  4. Step 4: Simplify right side
    55,193.20x = 4,106,544,343.82
  5. Step 5: Solve for x
    x = 4,106,544,343.82/55,193.20
  6. Step 6: Final answer
    x = 74,403.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.