Home / 45,383.84-68,075.72-14,221.52

Finding the Fourth Proportional to 45,383.84, 68,075.72 and 14,221.52

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Solution

The fourth proportional to 45,383.84, 68,075.72 and 14,221.52 is: 21,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,383.84 : 68,075.72 = 14,221.52 : x
  2. Step 2: Convert to fraction form
    45,383.84/68,075.72 = 14,221.52/x
  3. Step 3: Cross multiply
    45,383.84x = 68,075.72 × 14,221.52
  4. Step 4: Simplify right side
    45,383.84x = 968,140,213.49
  5. Step 5: Solve for x
    x = 968,140,213.49/45,383.84
  6. Step 6: Final answer
    x = 21,332.27

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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.