Home / 212,475.55-318,639.05-62,676.07

Finding the Fourth Proportional to 212,475.55, 318,639.05 and 62,676.07

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Solution

The fourth proportional to 212,475.55, 318,639.05 and 62,676.07 is: 93,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,475.55 : 318,639.05 = 62,676.07 : x
  2. Step 2: Convert to fraction form
    212,475.55/318,639.05 = 62,676.07/x
  3. Step 3: Cross multiply
    212,475.55x = 318,639.05 × 62,676.07
  4. Step 4: Simplify right side
    212,475.55x = 19,971,043,402.53
  5. Step 5: Solve for x
    x = 19,971,043,402.53/212,475.55
  6. Step 6: Final answer
    x = 93,992.20

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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.