Home / 113,084.12-156,049.99-62,779.88

Finding the Fourth Proportional to 113,084.12, 156,049.99 and 62,779.88

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Solution

The fourth proportional to 113,084.12, 156,049.99 and 62,779.88 is: 86,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,084.12 : 156,049.99 = 62,779.88 : x
  2. Step 2: Convert to fraction form
    113,084.12/156,049.99 = 62,779.88/x
  3. Step 3: Cross multiply
    113,084.12x = 156,049.99 × 62,779.88
  4. Step 4: Simplify right side
    113,084.12x = 9,796,798,709.00
  5. Step 5: Solve for x
    x = 9,796,798,709.00/113,084.12
  6. Step 6: Final answer
    x = 86,632.85

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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.