Home / 116,834.04-161,125.11-76,533.10

Finding the Fourth Proportional to 116,834.04, 161,125.11 and 76,533.10

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Solution

The fourth proportional to 116,834.04, 161,125.11 and 76,533.10 is: 105,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,834.04 : 161,125.11 = 76,533.10 : x
  2. Step 2: Convert to fraction form
    116,834.04/161,125.11 = 76,533.10/x
  3. Step 3: Cross multiply
    116,834.04x = 161,125.11 × 76,533.10
  4. Step 4: Simplify right side
    116,834.04x = 12,331,404,156.14
  5. Step 5: Solve for x
    x = 12,331,404,156.14/116,834.04
  6. Step 6: Final answer
    x = 105,546.33

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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.