Home / 111,536.04-153,917.82-61,234.68

Finding the Fourth Proportional to 111,536.04, 153,917.82 and 61,234.68

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Solution

The fourth proportional to 111,536.04, 153,917.82 and 61,234.68 is: 84,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,536.04 : 153,917.82 = 61,234.68 : x
  2. Step 2: Convert to fraction form
    111,536.04/153,917.82 = 61,234.68/x
  3. Step 3: Cross multiply
    111,536.04x = 153,917.82 × 61,234.68
  4. Step 4: Simplify right side
    111,536.04x = 9,425,108,454.00
  5. Step 5: Solve for x
    x = 9,425,108,454.00/111,536.04
  6. Step 6: Final answer
    x = 84,502.81

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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.