Home / 45,945.63-68,918.31-14,780.88

Finding the Fourth Proportional to 45,945.63, 68,918.31 and 14,780.88

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Solution

The fourth proportional to 45,945.63, 68,918.31 and 14,780.88 is: 22,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,945.63 : 68,918.31 = 14,780.88 : x
  2. Step 2: Convert to fraction form
    45,945.63/68,918.31 = 14,780.88/x
  3. Step 3: Cross multiply
    45,945.63x = 68,918.31 × 14,780.88
  4. Step 4: Simplify right side
    45,945.63x = 1,018,673,269.91
  5. Step 5: Solve for x
    x = 1,018,673,269.91/45,945.63
  6. Step 6: Final answer
    x = 22,171.28

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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.