Home / 58,748.72-81,115.90-36,118.54

Finding the Fourth Proportional to 58,748.72, 81,115.90 and 36,118.54

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Solution

The fourth proportional to 58,748.72, 81,115.90 and 36,118.54 is: 49,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,748.72 : 81,115.90 = 36,118.54 : x
  2. Step 2: Convert to fraction form
    58,748.72/81,115.90 = 36,118.54/x
  3. Step 3: Cross multiply
    58,748.72x = 81,115.90 × 36,118.54
  4. Step 4: Simplify right side
    58,748.72x = 2,929,787,878.79
  5. Step 5: Solve for x
    x = 2,929,787,878.79/58,748.72
  6. Step 6: Final answer
    x = 49,869.82

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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.