Home / 76,072.44-104,971.92-42,075.52

Finding the Fourth Proportional to 76,072.44, 104,971.92 and 42,075.52

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Solution

The fourth proportional to 76,072.44, 104,971.92 and 42,075.52 is: 58,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,072.44 : 104,971.92 = 42,075.52 : x
  2. Step 2: Convert to fraction form
    76,072.44/104,971.92 = 42,075.52/x
  3. Step 3: Cross multiply
    76,072.44x = 104,971.92 × 42,075.52
  4. Step 4: Simplify right side
    76,072.44x = 4,416,748,119.40
  5. Step 5: Solve for x
    x = 4,416,748,119.40/76,072.44
  6. Step 6: Final answer
    x = 58,059.77

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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.