Home / 75,641.63-113,325.57-54,467.03

Finding the Fourth Proportional to 75,641.63, 113,325.57 and 54,467.03

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Solution

The fourth proportional to 75,641.63, 113,325.57 and 54,467.03 is: 81,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,641.63 : 113,325.57 = 54,467.03 : x
  2. Step 2: Convert to fraction form
    75,641.63/113,325.57 = 54,467.03/x
  3. Step 3: Cross multiply
    75,641.63x = 113,325.57 × 54,467.03
  4. Step 4: Simplify right side
    75,641.63x = 6,172,506,654.33
  5. Step 5: Solve for x
    x = 6,172,506,654.33/75,641.63
  6. Step 6: Final answer
    x = 81,601.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.