Home / 79,180.13-118,788.12-26,588.25

Finding the Fourth Proportional to 79,180.13, 118,788.12 and 26,588.25

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Solution

The fourth proportional to 79,180.13, 118,788.12 and 26,588.25 is: 39,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180.13 : 118,788.12 = 26,588.25 : x
  2. Step 2: Convert to fraction form
    79,180.13/118,788.12 = 26,588.25/x
  3. Step 3: Cross multiply
    79,180.13x = 118,788.12 × 26,588.25
  4. Step 4: Simplify right side
    79,180.13x = 3,158,368,231.59
  5. Step 5: Solve for x
    x = 3,158,368,231.59/79,180.13
  6. Step 6: Final answer
    x = 39,888.39

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1.5x scale

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.