Home / 47,210.09-70,815.74-13,930.63

Finding the Fourth Proportional to 47,210.09, 70,815.74 and 13,930.63

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Solution

The fourth proportional to 47,210.09, 70,815.74 and 13,930.63 is: 20,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.09 : 70,815.74 = 13,930.63 : x
  2. Step 2: Convert to fraction form
    47,210.09/70,815.74 = 13,930.63/x
  3. Step 3: Cross multiply
    47,210.09x = 70,815.74 × 13,930.63
  4. Step 4: Simplify right side
    47,210.09x = 986,508,141.30
  5. Step 5: Solve for x
    x = 986,508,141.30/47,210.09
  6. Step 6: Final answer
    x = 20,896.13

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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.