Home / 45,731.69-63,112.84-25,590.43

Finding the Fourth Proportional to 45,731.69, 63,112.84 and 25,590.43

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Solution

The fourth proportional to 45,731.69, 63,112.84 and 25,590.43 is: 35,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,731.69 : 63,112.84 = 25,590.43 : x
  2. Step 2: Convert to fraction form
    45,731.69/63,112.84 = 25,590.43/x
  3. Step 3: Cross multiply
    45,731.69x = 63,112.84 × 25,590.43
  4. Step 4: Simplify right side
    45,731.69x = 1,615,084,729.04
  5. Step 5: Solve for x
    x = 1,615,084,729.04/45,731.69
  6. Step 6: Final answer
    x = 35,316.53

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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.