Home / 99,926.42-137,896.80-54,603.44

Finding the Fourth Proportional to 99,926.42, 137,896.80 and 54,603.44

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Solution

The fourth proportional to 99,926.42, 137,896.80 and 54,603.44 is: 75,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,926.42 : 137,896.80 = 54,603.44 : x
  2. Step 2: Convert to fraction form
    99,926.42/137,896.80 = 54,603.44/x
  3. Step 3: Cross multiply
    99,926.42x = 137,896.80 × 54,603.44
  4. Step 4: Simplify right side
    99,926.42x = 7,529,638,955.51
  5. Step 5: Solve for x
    x = 7,529,638,955.51/99,926.42
  6. Step 6: Final answer
    x = 75,351.83

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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.