Home / 47,101.12-64,999.74-25,880.80

Finding the Fourth Proportional to 47,101.12, 64,999.74 and 25,880.80

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Solution

The fourth proportional to 47,101.12, 64,999.74 and 25,880.80 is: 35,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,101.12 : 64,999.74 = 25,880.80 : x
  2. Step 2: Convert to fraction form
    47,101.12/64,999.74 = 25,880.80/x
  3. Step 3: Cross multiply
    47,101.12x = 64,999.74 × 25,880.80
  4. Step 4: Simplify right side
    47,101.12x = 1,682,245,270.99
  5. Step 5: Solve for x
    x = 1,682,245,270.99/47,101.12
  6. Step 6: Final answer
    x = 35,715.61

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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.