Home / 45,285.12-67,933.44-14,117.76

Finding the Fourth Proportional to 45,285.12, 67,933.44 and 14,117.76

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Solution

The fourth proportional to 45,285.12, 67,933.44 and 14,117.76 is: 21,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.12 : 67,933.44 = 14,117.76 : x
  2. Step 2: Convert to fraction form
    45,285.12/67,933.44 = 14,117.76/x
  3. Step 3: Cross multiply
    45,285.12x = 67,933.44 × 14,117.76
  4. Step 4: Simplify right side
    45,285.12x = 959,068,001.89
  5. Step 5: Solve for x
    x = 959,068,001.89/45,285.12
  6. Step 6: Final answer
    x = 21,178.44

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Similar ratio
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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.