Home / 79,840.65-110,152.70-51,183.47

Finding the Fourth Proportional to 79,840.65, 110,152.70 and 51,183.47

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Solution

The fourth proportional to 79,840.65, 110,152.70 and 51,183.47 is: 70,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,840.65 : 110,152.70 = 51,183.47 : x
  2. Step 2: Convert to fraction form
    79,840.65/110,152.70 = 51,183.47/x
  3. Step 3: Cross multiply
    79,840.65x = 110,152.70 × 51,183.47
  4. Step 4: Simplify right side
    79,840.65x = 5,637,996,609.19
  5. Step 5: Solve for x
    x = 5,637,996,609.19/79,840.65
  6. Step 6: Final answer
    x = 70,615.62

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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.