Home / 47,323.12-70,969.32-15,724.69

Finding the Fourth Proportional to 47,323.12, 70,969.32 and 15,724.69

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Solution

The fourth proportional to 47,323.12, 70,969.32 and 15,724.69 is: 23,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,323.12 : 70,969.32 = 15,724.69 : x
  2. Step 2: Convert to fraction form
    47,323.12/70,969.32 = 15,724.69/x
  3. Step 3: Cross multiply
    47,323.12x = 70,969.32 × 15,724.69
  4. Step 4: Simplify right side
    47,323.12x = 1,115,970,556.51
  5. Step 5: Solve for x
    x = 1,115,970,556.51/47,323.12
  6. Step 6: Final answer
    x = 23,581.93

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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.