Home / 85,582.00-118,063.40-55,377.06

Finding the Fourth Proportional to 85,582.00, 118,063.40 and 55,377.06

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Solution

The fourth proportional to 85,582.00, 118,063.40 and 55,377.06 is: 76,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,582.00 : 118,063.40 = 55,377.06 : x
  2. Step 2: Convert to fraction form
    85,582.00/118,063.40 = 55,377.06/x
  3. Step 3: Cross multiply
    85,582.00x = 118,063.40 × 55,377.06
  4. Step 4: Simplify right side
    85,582.00x = 6,538,003,708.72
  5. Step 5: Solve for x
    x = 6,538,003,708.72/85,582.00
  6. Step 6: Final answer
    x = 76,394.61

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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.