Home / 45,731.04-68,476.38-36,798.90

Finding the Fourth Proportional to 45,731.04, 68,476.38 and 36,798.90

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Solution

The fourth proportional to 45,731.04, 68,476.38 and 36,798.90 is: 55,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,731.04 : 68,476.38 = 36,798.90 : x
  2. Step 2: Convert to fraction form
    45,731.04/68,476.38 = 36,798.90/x
  3. Step 3: Cross multiply
    45,731.04x = 68,476.38 × 36,798.90
  4. Step 4: Simplify right side
    45,731.04x = 2,519,855,459.98
  5. Step 5: Solve for x
    x = 2,519,855,459.98/45,731.04
  6. Step 6: Final answer
    x = 55,101.64

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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.