Home / 47,214.54-70,810.90-13,479.93

Finding the Fourth Proportional to 47,214.54, 70,810.90 and 13,479.93

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Solution

The fourth proportional to 47,214.54, 70,810.90 and 13,479.93 is: 20,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,214.54 : 70,810.90 = 13,479.93 : x
  2. Step 2: Convert to fraction form
    47,214.54/70,810.90 = 13,479.93/x
  3. Step 3: Cross multiply
    47,214.54x = 70,810.90 × 13,479.93
  4. Step 4: Simplify right side
    47,214.54x = 954,525,975.24
  5. Step 5: Solve for x
    x = 954,525,975.24/47,214.54
  6. Step 6: Final answer
    x = 20,216.78

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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.