Home / 139,542.36-209,322.42-46,048.92

Finding the Fourth Proportional to 139,542.36, 209,322.42 and 46,048.92

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Solution

The fourth proportional to 139,542.36, 209,322.42 and 46,048.92 is: 69,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,542.36 : 209,322.42 = 46,048.92 : x
  2. Step 2: Convert to fraction form
    139,542.36/209,322.42 = 46,048.92/x
  3. Step 3: Cross multiply
    139,542.36x = 209,322.42 × 46,048.92
  4. Step 4: Simplify right side
    139,542.36x = 9,639,071,372.79
  5. Step 5: Solve for x
    x = 9,639,071,372.79/139,542.36
  6. Step 6: Final answer
    x = 69,076.31

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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.