Home / 48,075.14-72,112.75-12,536.42

Finding the Fourth Proportional to 48,075.14, 72,112.75 and 12,536.42

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Solution

The fourth proportional to 48,075.14, 72,112.75 and 12,536.42 is: 18,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,075.14 : 72,112.75 = 12,536.42 : x
  2. Step 2: Convert to fraction form
    48,075.14/72,112.75 = 12,536.42/x
  3. Step 3: Cross multiply
    48,075.14x = 72,112.75 × 12,536.42
  4. Step 4: Simplify right side
    48,075.14x = 904,035,870.30
  5. Step 5: Solve for x
    x = 904,035,870.30/48,075.14
  6. Step 6: Final answer
    x = 18,804.65

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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.