Home / 45,436.83-68,157.96-14,272.08

Finding the Fourth Proportional to 45,436.83, 68,157.96 and 14,272.08

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Solution

The fourth proportional to 45,436.83, 68,157.96 and 14,272.08 is: 21,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,436.83 : 68,157.96 = 14,272.08 : x
  2. Step 2: Convert to fraction form
    45,436.83/68,157.96 = 14,272.08/x
  3. Step 3: Cross multiply
    45,436.83x = 68,157.96 × 14,272.08
  4. Step 4: Simplify right side
    45,436.83x = 972,755,857.76
  5. Step 5: Solve for x
    x = 972,755,857.76/45,436.83
  6. Step 6: Final answer
    x = 21,408.97

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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.