Home / 62,830.14-86,670.99-39,817.86

Finding the Fourth Proportional to 62,830.14, 86,670.99 and 39,817.86

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Solution

The fourth proportional to 62,830.14, 86,670.99 and 39,817.86 is: 54,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,830.14 : 86,670.99 = 39,817.86 : x
  2. Step 2: Convert to fraction form
    62,830.14/86,670.99 = 39,817.86/x
  3. Step 3: Cross multiply
    62,830.14x = 86,670.99 × 39,817.86
  4. Step 4: Simplify right side
    62,830.14x = 3,451,053,345.88
  5. Step 5: Solve for x
    x = 3,451,053,345.88/62,830.14
  6. Step 6: Final answer
    x = 54,926.72

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1.5x scale

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.