Home / 79,036.68-109,080.55-51,835.62

Finding the Fourth Proportional to 79,036.68, 109,080.55 and 51,835.62

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Solution

The fourth proportional to 79,036.68, 109,080.55 and 51,835.62 is: 71,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.68 : 109,080.55 = 51,835.62 : x
  2. Step 2: Convert to fraction form
    79,036.68/109,080.55 = 51,835.62/x
  3. Step 3: Cross multiply
    79,036.68x = 109,080.55 × 51,835.62
  4. Step 4: Simplify right side
    79,036.68x = 5,654,257,939.19
  5. Step 5: Solve for x
    x = 5,654,257,939.19/79,036.68
  6. Step 6: Final answer
    x = 71,539.67

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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.