Home / 61,657.28-85,087.44-36,158.45

Finding the Fourth Proportional to 61,657.28, 85,087.44 and 36,158.45

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Solution

The fourth proportional to 61,657.28, 85,087.44 and 36,158.45 is: 49,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.28 : 85,087.44 = 36,158.45 : x
  2. Step 2: Convert to fraction form
    61,657.28/85,087.44 = 36,158.45/x
  3. Step 3: Cross multiply
    61,657.28x = 85,087.44 × 36,158.45
  4. Step 4: Simplify right side
    61,657.28x = 3,076,629,896.35
  5. Step 5: Solve for x
    x = 3,076,629,896.35/61,657.28
  6. Step 6: Final answer
    x = 49,898.89

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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.