Home / 47,979.51-71,969.27-14,699.45

Finding the Fourth Proportional to 47,979.51, 71,969.27 and 14,699.45

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Solution

The fourth proportional to 47,979.51, 71,969.27 and 14,699.45 is: 22,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.51 : 71,969.27 = 14,699.45 : x
  2. Step 2: Convert to fraction form
    47,979.51/71,969.27 = 14,699.45/x
  3. Step 3: Cross multiply
    47,979.51x = 71,969.27 × 14,699.45
  4. Step 4: Simplify right side
    47,979.51x = 1,057,908,252.56
  5. Step 5: Solve for x
    x = 1,057,908,252.56/47,979.51
  6. Step 6: Final answer
    x = 22,049.17

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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.