Home / 61,664.04-85,087.25-36,160.78

Finding the Fourth Proportional to 61,664.04, 85,087.25 and 36,160.78

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Solution

The fourth proportional to 61,664.04, 85,087.25 and 36,160.78 is: 49,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.04 : 85,087.25 = 36,160.78 : x
  2. Step 2: Convert to fraction form
    61,664.04/85,087.25 = 36,160.78/x
  3. Step 3: Cross multiply
    61,664.04x = 85,087.25 × 36,160.78
  4. Step 4: Simplify right side
    61,664.04x = 3,076,821,328.06
  5. Step 5: Solve for x
    x = 3,076,821,328.06/61,664.04
  6. Step 6: Final answer
    x = 49,896.53

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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.