Home / 47,075.50-70,613.19-12,015.16

Finding the Fourth Proportional to 47,075.50, 70,613.19 and 12,015.16

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Solution

The fourth proportional to 47,075.50, 70,613.19 and 12,015.16 is: 18,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,075.50 : 70,613.19 = 12,015.16 : x
  2. Step 2: Convert to fraction form
    47,075.50/70,613.19 = 12,015.16/x
  3. Step 3: Cross multiply
    47,075.50x = 70,613.19 × 12,015.16
  4. Step 4: Simplify right side
    47,075.50x = 848,428,775.96
  5. Step 5: Solve for x
    x = 848,428,775.96/47,075.50
  6. Step 6: Final answer
    x = 18,022.72

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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.