Home / 45,645.20-68,467.80-25,962.20

Finding the Fourth Proportional to 45,645.20, 68,467.80 and 25,962.20

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Solution

The fourth proportional to 45,645.20, 68,467.80 and 25,962.20 is: 38,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,645.20 : 68,467.80 = 25,962.20 : x
  2. Step 2: Convert to fraction form
    45,645.20/68,467.80 = 25,962.20/x
  3. Step 3: Cross multiply
    45,645.20x = 68,467.80 × 25,962.20
  4. Step 4: Simplify right side
    45,645.20x = 1,777,574,717.16
  5. Step 5: Solve for x
    x = 1,777,574,717.16/45,645.20
  6. Step 6: Final answer
    x = 38,943.30

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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.