Home / 61,906.60-92,730.30-34,172.20

Finding the Fourth Proportional to 61,906.60, 92,730.30 and 34,172.20

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Solution

The fourth proportional to 61,906.60, 92,730.30 and 34,172.20 is: 51,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,906.60 : 92,730.30 = 34,172.20 : x
  2. Step 2: Convert to fraction form
    61,906.60/92,730.30 = 34,172.20/x
  3. Step 3: Cross multiply
    61,906.60x = 92,730.30 × 34,172.20
  4. Step 4: Simplify right side
    61,906.60x = 3,168,798,357.66
  5. Step 5: Solve for x
    x = 3,168,798,357.66/61,906.60
  6. Step 6: Final answer
    x = 51,186.76

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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.