Home / 56,199.21-77,554.00-30,705.03

Finding the Fourth Proportional to 56,199.21, 77,554.00 and 30,705.03

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Solution

The fourth proportional to 56,199.21, 77,554.00 and 30,705.03 is: 42,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,199.21 : 77,554.00 = 30,705.03 : x
  2. Step 2: Convert to fraction form
    56,199.21/77,554.00 = 30,705.03/x
  3. Step 3: Cross multiply
    56,199.21x = 77,554.00 × 30,705.03
  4. Step 4: Simplify right side
    56,199.21x = 2,381,297,644.17
  5. Step 5: Solve for x
    x = 2,381,297,644.17/56,199.21
  6. Step 6: Final answer
    x = 42,372.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.