Home / 45,201.72-67,813.38-14,036.88

Finding the Fourth Proportional to 45,201.72, 67,813.38 and 14,036.88

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Solution

The fourth proportional to 45,201.72, 67,813.38 and 14,036.88 is: 21,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.72 : 67,813.38 = 14,036.88 : x
  2. Step 2: Convert to fraction form
    45,201.72/67,813.38 = 14,036.88/x
  3. Step 3: Cross multiply
    45,201.72x = 67,813.38 × 14,036.88
  4. Step 4: Simplify right side
    45,201.72x = 951,888,277.45
  5. Step 5: Solve for x
    x = 951,888,277.45/45,201.72
  6. Step 6: Final answer
    x = 21,058.67

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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.