Home / 45,279.64-67,923.18-14,114.89

Finding the Fourth Proportional to 45,279.64, 67,923.18 and 14,114.89

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Solution

The fourth proportional to 45,279.64, 67,923.18 and 14,114.89 is: 21,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,279.64 : 67,923.18 = 14,114.89 : x
  2. Step 2: Convert to fraction form
    45,279.64/67,923.18 = 14,114.89/x
  3. Step 3: Cross multiply
    45,279.64x = 67,923.18 × 14,114.89
  4. Step 4: Simplify right side
    45,279.64x = 958,728,214.15
  5. Step 5: Solve for x
    x = 958,728,214.15/45,279.64
  6. Step 6: Final answer
    x = 21,173.49

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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.