Home / 47,218.41-70,756.34-28,477.58

Finding the Fourth Proportional to 47,218.41, 70,756.34 and 28,477.58

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Solution

The fourth proportional to 47,218.41, 70,756.34 and 28,477.58 is: 42,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,218.41 : 70,756.34 = 28,477.58 : x
  2. Step 2: Convert to fraction form
    47,218.41/70,756.34 = 28,477.58/x
  3. Step 3: Cross multiply
    47,218.41x = 70,756.34 × 28,477.58
  4. Step 4: Simplify right side
    47,218.41x = 2,014,968,836.69
  5. Step 5: Solve for x
    x = 2,014,968,836.69/47,218.41
  6. Step 6: Final answer
    x = 42,673.37

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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.