Home / 58,820.88-81,172.68-33,327.20

Finding the Fourth Proportional to 58,820.88, 81,172.68 and 33,327.20

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Solution

The fourth proportional to 58,820.88, 81,172.68 and 33,327.20 is: 45,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,820.88 : 81,172.68 = 33,327.20 : x
  2. Step 2: Convert to fraction form
    58,820.88/81,172.68 = 33,327.20/x
  3. Step 3: Cross multiply
    58,820.88x = 81,172.68 × 33,327.20
  4. Step 4: Simplify right side
    58,820.88x = 2,705,257,949.72
  5. Step 5: Solve for x
    x = 2,705,257,949.72/58,820.88
  6. Step 6: Final answer
    x = 45,991.45

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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.