Home / 45,354.51-68,029.61-13,763.16

Finding the Fourth Proportional to 45,354.51, 68,029.61 and 13,763.16

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Solution

The fourth proportional to 45,354.51, 68,029.61 and 13,763.16 is: 20,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,354.51 : 68,029.61 = 13,763.16 : x
  2. Step 2: Convert to fraction form
    45,354.51/68,029.61 = 13,763.16/x
  3. Step 3: Cross multiply
    45,354.51x = 68,029.61 × 13,763.16
  4. Step 4: Simplify right side
    45,354.51x = 936,302,338.35
  5. Step 5: Solve for x
    x = 936,302,338.35/45,354.51
  6. Step 6: Final answer
    x = 20,644.08

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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.