Home / 47,075.77-70,611.63-12,014.65

Finding the Fourth Proportional to 47,075.77, 70,611.63 and 12,014.65

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Solution

The fourth proportional to 47,075.77, 70,611.63 and 12,014.65 is: 18,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,075.77 : 70,611.63 = 12,014.65 : x
  2. Step 2: Convert to fraction form
    47,075.77/70,611.63 = 12,014.65/x
  3. Step 3: Cross multiply
    47,075.77x = 70,611.63 × 12,014.65
  4. Step 4: Simplify right side
    47,075.77x = 848,374,020.38
  5. Step 5: Solve for x
    x = 848,374,020.38/47,075.77
  6. Step 6: Final answer
    x = 18,021.46

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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.