Home / 86,613.18-119,608.73-81,895.93

Finding the Fourth Proportional to 86,613.18, 119,608.73 and 81,895.93

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Solution

The fourth proportional to 86,613.18, 119,608.73 and 81,895.93 is: 113,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,613.18 : 119,608.73 = 81,895.93 : x
  2. Step 2: Convert to fraction form
    86,613.18/119,608.73 = 81,895.93/x
  3. Step 3: Cross multiply
    86,613.18x = 119,608.73 × 81,895.93
  4. Step 4: Simplify right side
    86,613.18x = 9,795,468,179.47
  5. Step 5: Solve for x
    x = 9,795,468,179.47/86,613.18
  6. Step 6: Final answer
    x = 113,094.43

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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.