Home / 62,317.78-86,008.42-39,633.12

Finding the Fourth Proportional to 62,317.78, 86,008.42 and 39,633.12

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Solution

The fourth proportional to 62,317.78, 86,008.42 and 39,633.12 is: 54,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,317.78 : 86,008.42 = 39,633.12 : x
  2. Step 2: Convert to fraction form
    62,317.78/86,008.42 = 39,633.12/x
  3. Step 3: Cross multiply
    62,317.78x = 86,008.42 × 39,633.12
  4. Step 4: Simplify right side
    62,317.78x = 3,408,782,030.87
  5. Step 5: Solve for x
    x = 3,408,782,030.87/62,317.78
  6. Step 6: Final answer
    x = 54,699.99

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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.