Home / 79,210.26-118,833.12-26,618.31

Finding the Fourth Proportional to 79,210.26, 118,833.12 and 26,618.31

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Solution

The fourth proportional to 79,210.26, 118,833.12 and 26,618.31 is: 39,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.26 : 118,833.12 = 26,618.31 : x
  2. Step 2: Convert to fraction form
    79,210.26/118,833.12 = 26,618.31/x
  3. Step 3: Cross multiply
    79,210.26x = 118,833.12 × 26,618.31
  4. Step 4: Simplify right side
    79,210.26x = 3,163,136,826.43
  5. Step 5: Solve for x
    x = 3,163,136,826.43/79,210.26
  6. Step 6: Final answer
    x = 39,933.42

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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.