Home / 52,980.58-73,120.20-34,172.38

Finding the Fourth Proportional to 52,980.58, 73,120.20 and 34,172.38

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Solution

The fourth proportional to 52,980.58, 73,120.20 and 34,172.38 is: 47,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,980.58 : 73,120.20 = 34,172.38 : x
  2. Step 2: Convert to fraction form
    52,980.58/73,120.20 = 34,172.38/x
  3. Step 3: Cross multiply
    52,980.58x = 73,120.20 × 34,172.38
  4. Step 4: Simplify right side
    52,980.58x = 2,498,691,260.08
  5. Step 5: Solve for x
    x = 2,498,691,260.08/52,980.58
  6. Step 6: Final answer
    x = 47,162.40

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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.