Home / 123,074.83-169,840.91-69,358.77

Finding the Fourth Proportional to 123,074.83, 169,840.91 and 69,358.77

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Solution

The fourth proportional to 123,074.83, 169,840.91 and 69,358.77 is: 95,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,074.83 : 169,840.91 = 69,358.77 : x
  2. Step 2: Convert to fraction form
    123,074.83/169,840.91 = 69,358.77/x
  3. Step 3: Cross multiply
    123,074.83x = 169,840.91 × 69,358.77
  4. Step 4: Simplify right side
    123,074.83x = 11,779,956,613.28
  5. Step 5: Solve for x
    x = 11,779,956,613.28/123,074.83
  6. Step 6: Final answer
    x = 95,713.78

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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.