Home / 79,837.65-110,148.56-51,180.46

Finding the Fourth Proportional to 79,837.65, 110,148.56 and 51,180.46

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Solution

The fourth proportional to 79,837.65, 110,148.56 and 51,180.46 is: 70,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,837.65 : 110,148.56 = 51,180.46 : x
  2. Step 2: Convert to fraction form
    79,837.65/110,148.56 = 51,180.46/x
  3. Step 3: Cross multiply
    79,837.65x = 110,148.56 × 51,180.46
  4. Step 4: Simplify right side
    79,837.65x = 5,637,453,629.79
  5. Step 5: Solve for x
    x = 5,637,453,629.79/79,837.65
  6. Step 6: Final answer
    x = 70,611.47

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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.