Home / 88,623.06-122,319.68-56,351.46

Finding the Fourth Proportional to 88,623.06, 122,319.68 and 56,351.46

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Solution

The fourth proportional to 88,623.06, 122,319.68 and 56,351.46 is: 77,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,623.06 : 122,319.68 = 56,351.46 : x
  2. Step 2: Convert to fraction form
    88,623.06/122,319.68 = 56,351.46/x
  3. Step 3: Cross multiply
    88,623.06x = 122,319.68 × 56,351.46
  4. Step 4: Simplify right side
    88,623.06x = 6,892,892,554.73
  5. Step 5: Solve for x
    x = 6,892,892,554.73/88,623.06
  6. Step 6: Final answer
    x = 77,777.64

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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.