Home / 45,908.10-68,764.95-40,983.30

Finding the Fourth Proportional to 45,908.10, 68,764.95 and 40,983.30

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Solution

The fourth proportional to 45,908.10, 68,764.95 and 40,983.30 is: 61,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,908.10 : 68,764.95 = 40,983.30 : x
  2. Step 2: Convert to fraction form
    45,908.10/68,764.95 = 40,983.30/x
  3. Step 3: Cross multiply
    45,908.10x = 68,764.95 × 40,983.30
  4. Step 4: Simplify right side
    45,908.10x = 2,818,214,575.34
  5. Step 5: Solve for x
    x = 2,818,214,575.34/45,908.10
  6. Step 6: Final answer
    x = 61,388.18

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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.