Home / 45,969.84-68,818.68-28,383.12

Finding the Fourth Proportional to 45,969.84, 68,818.68 and 28,383.12

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Solution

The fourth proportional to 45,969.84, 68,818.68 and 28,383.12 is: 42,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.84 : 68,818.68 = 28,383.12 : x
  2. Step 2: Convert to fraction form
    45,969.84/68,818.68 = 28,383.12/x
  3. Step 3: Cross multiply
    45,969.84x = 68,818.68 × 28,383.12
  4. Step 4: Simplify right side
    45,969.84x = 1,953,288,852.68
  5. Step 5: Solve for x
    x = 1,953,288,852.68/45,969.84
  6. Step 6: Final answer
    x = 42,490.66

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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.