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Finding the Fourth Proportional to 61,662.85, 85,094.94 and 33,368.53

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Solution

The fourth proportional to 61,662.85, 85,094.94 and 33,368.53 is: 46,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.85 : 85,094.94 = 33,368.53 : x
  2. Step 2: Convert to fraction form
    61,662.85/85,094.94 = 33,368.53/x
  3. Step 3: Cross multiply
    61,662.85x = 85,094.94 × 33,368.53
  4. Step 4: Simplify right side
    61,662.85x = 2,839,492,632.76
  5. Step 5: Solve for x
    x = 2,839,492,632.76/61,662.85
  6. Step 6: Final answer
    x = 46,048.68

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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.