Home / 59,172.20-88,758.30-19,730.60

Finding the Fourth Proportional to 59,172.20, 88,758.30 and 19,730.60

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Solution

The fourth proportional to 59,172.20, 88,758.30 and 19,730.60 is: 29,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,172.20 : 88,758.30 = 19,730.60 : x
  2. Step 2: Convert to fraction form
    59,172.20/88,758.30 = 19,730.60/x
  3. Step 3: Cross multiply
    59,172.20x = 88,758.30 × 19,730.60
  4. Step 4: Simplify right side
    59,172.20x = 1,751,254,513.98
  5. Step 5: Solve for x
    x = 1,751,254,513.98/59,172.20
  6. Step 6: Final answer
    x = 29,595.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.