Home / 47,303.78-70,907.76-30,674.36

Finding the Fourth Proportional to 47,303.78, 70,907.76 and 30,674.36

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Solution

The fourth proportional to 47,303.78, 70,907.76 and 30,674.36 is: 45,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,303.78 : 70,907.76 = 30,674.36 : x
  2. Step 2: Convert to fraction form
    47,303.78/70,907.76 = 30,674.36/x
  3. Step 3: Cross multiply
    47,303.78x = 70,907.76 × 30,674.36
  4. Step 4: Simplify right side
    47,303.78x = 2,175,050,157.03
  5. Step 5: Solve for x
    x = 2,175,050,157.03/47,303.78
  6. Step 6: Final answer
    x = 45,980.47

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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.