Home / 79,085.66-109,135.59-43,273.26

Finding the Fourth Proportional to 79,085.66, 109,135.59 and 43,273.26

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Solution

The fourth proportional to 79,085.66, 109,135.59 and 43,273.26 is: 59,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,085.66 : 109,135.59 = 43,273.26 : x
  2. Step 2: Convert to fraction form
    79,085.66/109,135.59 = 43,273.26/x
  3. Step 3: Cross multiply
    79,085.66x = 109,135.59 × 43,273.26
  4. Step 4: Simplify right side
    79,085.66x = 4,722,652,761.32
  5. Step 5: Solve for x
    x = 4,722,652,761.32/79,085.66
  6. Step 6: Final answer
    x = 59,715.67

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1.5x scale

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.