Home / 53,231.36-73,456.10-30,574.04

Finding the Fourth Proportional to 53,231.36, 73,456.10 and 30,574.04

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Solution

The fourth proportional to 53,231.36, 73,456.10 and 30,574.04 is: 42,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.36 : 73,456.10 = 30,574.04 : x
  2. Step 2: Convert to fraction form
    53,231.36/73,456.10 = 30,574.04/x
  3. Step 3: Cross multiply
    53,231.36x = 73,456.10 × 30,574.04
  4. Step 4: Simplify right side
    53,231.36x = 2,245,849,334.15
  5. Step 5: Solve for x
    x = 2,245,849,334.15/53,231.36
  6. Step 6: Final answer
    x = 42,190.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.