Home / 79,920.54-119,887.29-26,610.59

Finding the Fourth Proportional to 79,920.54, 119,887.29 and 26,610.59

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Solution

The fourth proportional to 79,920.54, 119,887.29 and 26,610.59 is: 39,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,920.54 : 119,887.29 = 26,610.59 : x
  2. Step 2: Convert to fraction form
    79,920.54/119,887.29 = 26,610.59/x
  3. Step 3: Cross multiply
    79,920.54x = 119,887.29 × 26,610.59
  4. Step 4: Simplify right side
    79,920.54x = 3,190,271,820.12
  5. Step 5: Solve for x
    x = 3,190,271,820.12/79,920.54
  6. Step 6: Final answer
    x = 39,918.05

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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.