Home / 116,849.39-161,263.53-69,118.11

Finding the Fourth Proportional to 116,849.39, 161,263.53 and 69,118.11

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Solution

The fourth proportional to 116,849.39, 161,263.53 and 69,118.11 is: 95,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,849.39 : 161,263.53 = 69,118.11 : x
  2. Step 2: Convert to fraction form
    116,849.39/161,263.53 = 69,118.11/x
  3. Step 3: Cross multiply
    116,849.39x = 161,263.53 × 69,118.11
  4. Step 4: Simplify right side
    116,849.39x = 11,146,230,599.92
  5. Step 5: Solve for x
    x = 11,146,230,599.92/116,849.39
  6. Step 6: Final answer
    x = 95,389.72

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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.