Home / 52,105.16-71,894.04-30,891.26

Finding the Fourth Proportional to 52,105.16, 71,894.04 and 30,891.26

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Solution

The fourth proportional to 52,105.16, 71,894.04 and 30,891.26 is: 42,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,105.16 : 71,894.04 = 30,891.26 : x
  2. Step 2: Convert to fraction form
    52,105.16/71,894.04 = 30,891.26/x
  3. Step 3: Cross multiply
    52,105.16x = 71,894.04 × 30,891.26
  4. Step 4: Simplify right side
    52,105.16x = 2,220,897,482.09
  5. Step 5: Solve for x
    x = 2,220,897,482.09/52,105.16
  6. Step 6: Final answer
    x = 42,623.37

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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.