Home / 50,720.04-69,994.10-30,577.96

Finding the Fourth Proportional to 50,720.04, 69,994.10 and 30,577.96

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Solution

The fourth proportional to 50,720.04, 69,994.10 and 30,577.96 is: 42,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.04 : 69,994.10 = 30,577.96 : x
  2. Step 2: Convert to fraction form
    50,720.04/69,994.10 = 30,577.96/x
  3. Step 3: Cross multiply
    50,720.04x = 69,994.10 × 30,577.96
  4. Step 4: Simplify right side
    50,720.04x = 2,140,276,790.04
  5. Step 5: Solve for x
    x = 2,140,276,790.04/50,720.04
  6. Step 6: Final answer
    x = 42,197.85

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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.