Home / 61,136.81-91,699.06-16,768.02

Finding the Fourth Proportional to 61,136.81, 91,699.06 and 16,768.02

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Solution

The fourth proportional to 61,136.81, 91,699.06 and 16,768.02 is: 25,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.81 : 91,699.06 = 16,768.02 : x
  2. Step 2: Convert to fraction form
    61,136.81/91,699.06 = 16,768.02/x
  3. Step 3: Cross multiply
    61,136.81x = 91,699.06 × 16,768.02
  4. Step 4: Simplify right side
    61,136.81x = 1,537,611,672.06
  5. Step 5: Solve for x
    x = 1,537,611,672.06/61,136.81
  6. Step 6: Final answer
    x = 25,150.34

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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.