Home / 98,877.82-136,458.39-56,442.73

Finding the Fourth Proportional to 98,877.82, 136,458.39 and 56,442.73

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Solution

The fourth proportional to 98,877.82, 136,458.39 and 56,442.73 is: 77,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,877.82 : 136,458.39 = 56,442.73 : x
  2. Step 2: Convert to fraction form
    98,877.82/136,458.39 = 56,442.73/x
  3. Step 3: Cross multiply
    98,877.82x = 136,458.39 × 56,442.73
  4. Step 4: Simplify right side
    98,877.82x = 7,702,084,063.00
  5. Step 5: Solve for x
    x = 7,702,084,063.00/98,877.82
  6. Step 6: Final answer
    x = 77,894.96

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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.