Home / 89,962.72-124,148.53-49,676.56

Finding the Fourth Proportional to 89,962.72, 124,148.53 and 49,676.56

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Solution

The fourth proportional to 89,962.72, 124,148.53 and 49,676.56 is: 68,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,962.72 : 124,148.53 = 49,676.56 : x
  2. Step 2: Convert to fraction form
    89,962.72/124,148.53 = 49,676.56/x
  3. Step 3: Cross multiply
    89,962.72x = 124,148.53 × 49,676.56
  4. Step 4: Simplify right side
    89,962.72x = 6,167,271,651.18
  5. Step 5: Solve for x
    x = 6,167,271,651.18/89,962.72
  6. Step 6: Final answer
    x = 68,553.64

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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.