Home / 61,256.85-91,888.73-21,813.96

Finding the Fourth Proportional to 61,256.85, 91,888.73 and 21,813.96

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Solution

The fourth proportional to 61,256.85, 91,888.73 and 21,813.96 is: 32,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,256.85 : 91,888.73 = 21,813.96 : x
  2. Step 2: Convert to fraction form
    61,256.85/91,888.73 = 21,813.96/x
  3. Step 3: Cross multiply
    61,256.85x = 91,888.73 × 21,813.96
  4. Step 4: Simplify right side
    61,256.85x = 2,004,457,201.32
  5. Step 5: Solve for x
    x = 2,004,457,201.32/61,256.85
  6. Step 6: Final answer
    x = 32,722.17

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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.