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Finding the Fourth Proportional to 85,075, 127,602.77 and 22,750.36

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Solution

The fourth proportional to 85,075, 127,602.77 and 22,750.36 is: 34,122.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075 : 127,602.77 = 22,750.36 : x
  2. Step 2: Convert to fraction form
    85,075/127,602.77 = 22,750.36/x
  3. Step 3: Cross multiply
    85,075x = 127,602.77 × 22,750.36
  4. Step 4: Simplify right side
    85,075x = 2,903,008,954.50
  5. Step 5: Solve for x
    x = 2,903,008,954.50/85,075
  6. Step 6: Final answer
    x = 34,122.94

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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.