Home / 212,522.39-318,709.16-62,723.01

Finding the Fourth Proportional to 212,522.39, 318,709.16 and 62,723.01

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Solution

The fourth proportional to 212,522.39, 318,709.16 and 62,723.01 is: 94,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,522.39 : 318,709.16 = 62,723.01 : x
  2. Step 2: Convert to fraction form
    212,522.39/318,709.16 = 62,723.01/x
  3. Step 3: Cross multiply
    212,522.39x = 318,709.16 × 62,723.01
  4. Step 4: Simplify right side
    212,522.39x = 19,990,397,829.77
  5. Step 5: Solve for x
    x = 19,990,397,829.77/212,522.39
  6. Step 6: Final answer
    x = 94,062.55

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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.