Home / 47,007.13-70,503.12-13,719.37

Finding the Fourth Proportional to 47,007.13, 70,503.12 and 13,719.37

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Solution

The fourth proportional to 47,007.13, 70,503.12 and 13,719.37 is: 20,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,007.13 : 70,503.12 = 13,719.37 : x
  2. Step 2: Convert to fraction form
    47,007.13/70,503.12 = 13,719.37/x
  3. Step 3: Cross multiply
    47,007.13x = 70,503.12 × 13,719.37
  4. Step 4: Simplify right side
    47,007.13x = 967,258,389.43
  5. Step 5: Solve for x
    x = 967,258,389.43/47,007.13
  6. Step 6: Final answer
    x = 20,576.84

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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.