Home / 47,118.80-65,028.10-25,902.20

Finding the Fourth Proportional to 47,118.80, 65,028.10 and 25,902.20

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Solution

The fourth proportional to 47,118.80, 65,028.10 and 25,902.20 is: 35,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,118.80 : 65,028.10 = 25,902.20 : x
  2. Step 2: Convert to fraction form
    47,118.80/65,028.10 = 25,902.20/x
  3. Step 3: Cross multiply
    47,118.80x = 65,028.10 × 25,902.20
  4. Step 4: Simplify right side
    47,118.80x = 1,684,370,851.82
  5. Step 5: Solve for x
    x = 1,684,370,851.82/47,118.80
  6. Step 6: Final answer
    x = 35,747.32

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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.