Home / 46,083.78-69,125.22-21,116.75

Finding the Fourth Proportional to 46,083.78, 69,125.22 and 21,116.75

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Solution

The fourth proportional to 46,083.78, 69,125.22 and 21,116.75 is: 31,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,083.78 : 69,125.22 = 21,116.75 : x
  2. Step 2: Convert to fraction form
    46,083.78/69,125.22 = 21,116.75/x
  3. Step 3: Cross multiply
    46,083.78x = 69,125.22 × 21,116.75
  4. Step 4: Simplify right side
    46,083.78x = 1,459,699,643.81
  5. Step 5: Solve for x
    x = 1,459,699,643.81/46,083.78
  6. Step 6: Final answer
    x = 31,674.91

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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.