Home / 45,768.40-68,670.84-16,189.20

Finding the Fourth Proportional to 45,768.40, 68,670.84 and 16,189.20

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Solution

The fourth proportional to 45,768.40, 68,670.84 and 16,189.20 is: 24,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,768.40 : 68,670.84 = 16,189.20 : x
  2. Step 2: Convert to fraction form
    45,768.40/68,670.84 = 16,189.20/x
  3. Step 3: Cross multiply
    45,768.40x = 68,670.84 × 16,189.20
  4. Step 4: Simplify right side
    45,768.40x = 1,111,725,962.93
  5. Step 5: Solve for x
    x = 1,111,725,962.93/45,768.40
  6. Step 6: Final answer
    x = 24,290.25

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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.