Home / 45,299.84-67,937.60-13,701.76

Finding the Fourth Proportional to 45,299.84, 67,937.60 and 13,701.76

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Solution

The fourth proportional to 45,299.84, 67,937.60 and 13,701.76 is: 20,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,299.84 : 67,937.60 = 13,701.76 : x
  2. Step 2: Convert to fraction form
    45,299.84/67,937.60 = 13,701.76/x
  3. Step 3: Cross multiply
    45,299.84x = 67,937.60 × 13,701.76
  4. Step 4: Simplify right side
    45,299.84x = 930,864,690.18
  5. Step 5: Solve for x
    x = 930,864,690.18/45,299.84
  6. Step 6: Final answer
    x = 20,548.96

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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.