Home / 86,709.16-119,673.87-50,421.83

Finding the Fourth Proportional to 86,709.16, 119,673.87 and 50,421.83

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Solution

The fourth proportional to 86,709.16, 119,673.87 and 50,421.83 is: 69,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,709.16 : 119,673.87 = 50,421.83 : x
  2. Step 2: Convert to fraction form
    86,709.16/119,673.87 = 50,421.83/x
  3. Step 3: Cross multiply
    86,709.16x = 119,673.87 × 50,421.83
  4. Step 4: Simplify right side
    86,709.16x = 6,034,174,741.13
  5. Step 5: Solve for x
    x = 6,034,174,741.13/86,709.16
  6. Step 6: Final answer
    x = 69,590.97

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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.