Home / 76,730.14-115,094.90-34,560.83

Finding the Fourth Proportional to 76,730.14, 115,094.90 and 34,560.83

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Solution

The fourth proportional to 76,730.14, 115,094.90 and 34,560.83 is: 51,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,730.14 : 115,094.90 = 34,560.83 : x
  2. Step 2: Convert to fraction form
    76,730.14/115,094.90 = 34,560.83/x
  3. Step 3: Cross multiply
    76,730.14x = 115,094.90 × 34,560.83
  4. Step 4: Simplify right side
    76,730.14x = 3,977,775,646.91
  5. Step 5: Solve for x
    x = 3,977,775,646.91/76,730.14
  6. Step 6: Final answer
    x = 51,841.11

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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.