Home / 56,199.09-77,553.84-30,704.91

Finding the Fourth Proportional to 56,199.09, 77,553.84 and 30,704.91

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Solution

The fourth proportional to 56,199.09, 77,553.84 and 30,704.91 is: 42,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,199.09 : 77,553.84 = 30,704.91 : x
  2. Step 2: Convert to fraction form
    56,199.09/77,553.84 = 30,704.91/x
  3. Step 3: Cross multiply
    56,199.09x = 77,553.84 × 30,704.91
  4. Step 4: Simplify right side
    56,199.09x = 2,381,283,328.96
  5. Step 5: Solve for x
    x = 2,381,283,328.96/56,199.09
  6. Step 6: Final answer
    x = 42,372.28

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1.5x scale

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.