Home / 73,969.08-102,075.30-42,148.26

Finding the Fourth Proportional to 73,969.08, 102,075.30 and 42,148.26

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Solution

The fourth proportional to 73,969.08, 102,075.30 and 42,148.26 is: 58,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,969.08 : 102,075.30 = 42,148.26 : x
  2. Step 2: Convert to fraction form
    73,969.08/102,075.30 = 42,148.26/x
  3. Step 3: Cross multiply
    73,969.08x = 102,075.30 × 42,148.26
  4. Step 4: Simplify right side
    73,969.08x = 4,302,296,283.98
  5. Step 5: Solve for x
    x = 4,302,296,283.98/73,969.08
  6. Step 6: Final answer
    x = 58,163.44

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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.