Home / 53,467.84-73,802.05-30,821.98

Finding the Fourth Proportional to 53,467.84, 73,802.05 and 30,821.98

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Solution

The fourth proportional to 53,467.84, 73,802.05 and 30,821.98 is: 42,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,467.84 : 73,802.05 = 30,821.98 : x
  2. Step 2: Convert to fraction form
    53,467.84/73,802.05 = 30,821.98/x
  3. Step 3: Cross multiply
    53,467.84x = 73,802.05 × 30,821.98
  4. Step 4: Simplify right side
    53,467.84x = 2,274,724,940.05
  5. Step 5: Solve for x
    x = 2,274,724,940.05/53,467.84
  6. Step 6: Final answer
    x = 42,543.80

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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.