Home / 45,782.10-68,713.65-27,038.70

Finding the Fourth Proportional to 45,782.10, 68,713.65 and 27,038.70

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Solution

The fourth proportional to 45,782.10, 68,713.65 and 27,038.70 is: 40,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.10 : 68,713.65 = 27,038.70 : x
  2. Step 2: Convert to fraction form
    45,782.10/68,713.65 = 27,038.70/x
  3. Step 3: Cross multiply
    45,782.10x = 68,713.65 × 27,038.70
  4. Step 4: Simplify right side
    45,782.10x = 1,857,927,768.26
  5. Step 5: Solve for x
    x = 1,857,927,768.26/45,782.10
  6. Step 6: Final answer
    x = 40,581.97

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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.