Home / 104,635.13-156,952.69-34,519.91

Finding the Fourth Proportional to 104,635.13, 156,952.69 and 34,519.91

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Solution

The fourth proportional to 104,635.13, 156,952.69 and 34,519.91 is: 51,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.13 : 156,952.69 = 34,519.91 : x
  2. Step 2: Convert to fraction form
    104,635.13/156,952.69 = 34,519.91/x
  3. Step 3: Cross multiply
    104,635.13x = 156,952.69 × 34,519.91
  4. Step 4: Simplify right side
    104,635.13x = 5,417,992,733.06
  5. Step 5: Solve for x
    x = 5,417,992,733.06/104,635.13
  6. Step 6: Final answer
    x = 51,779.86

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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.