Home / 45,801.60-68,705.12-14,214.64

Finding the Fourth Proportional to 45,801.60, 68,705.12 and 14,214.64

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Solution

The fourth proportional to 45,801.60, 68,705.12 and 14,214.64 is: 21,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.60 : 68,705.12 = 14,214.64 : x
  2. Step 2: Convert to fraction form
    45,801.60/68,705.12 = 14,214.64/x
  3. Step 3: Cross multiply
    45,801.60x = 68,705.12 × 14,214.64
  4. Step 4: Simplify right side
    45,801.60x = 976,618,546.96
  5. Step 5: Solve for x
    x = 976,618,546.96/45,801.60
  6. Step 6: Final answer
    x = 21,322.80

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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.