Home / 82,497.30-123,779.43-29,911.02

Finding the Fourth Proportional to 82,497.30, 123,779.43 and 29,911.02

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Solution

The fourth proportional to 82,497.30, 123,779.43 and 29,911.02 is: 44,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,497.30 : 123,779.43 = 29,911.02 : x
  2. Step 2: Convert to fraction form
    82,497.30/123,779.43 = 29,911.02/x
  3. Step 3: Cross multiply
    82,497.30x = 123,779.43 × 29,911.02
  4. Step 4: Simplify right side
    82,497.30x = 3,702,369,006.32
  5. Step 5: Solve for x
    x = 3,702,369,006.32/82,497.30
  6. Step 6: Final answer
    x = 44,878.67

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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.