Home / 79,308.21-118,980.27-26,716.26

Finding the Fourth Proportional to 79,308.21, 118,980.27 and 26,716.26

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Solution

The fourth proportional to 79,308.21, 118,980.27 and 26,716.26 is: 40,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,308.21 : 118,980.27 = 26,716.26 : x
  2. Step 2: Convert to fraction form
    79,308.21/118,980.27 = 26,716.26/x
  3. Step 3: Cross multiply
    79,308.21x = 118,980.27 × 26,716.26
  4. Step 4: Simplify right side
    79,308.21x = 3,178,707,828.19
  5. Step 5: Solve for x
    x = 3,178,707,828.19/79,308.21
  6. Step 6: Final answer
    x = 40,080.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.