Home / 88,664.90-122,357.30-48,378.38

Finding the Fourth Proportional to 88,664.90, 122,357.30 and 48,378.38

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Solution

The fourth proportional to 88,664.90, 122,357.30 and 48,378.38 is: 66,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,664.90 : 122,357.30 = 48,378.38 : x
  2. Step 2: Convert to fraction form
    88,664.90/122,357.30 = 48,378.38/x
  3. Step 3: Cross multiply
    88,664.90x = 122,357.30 × 48,378.38
  4. Step 4: Simplify right side
    88,664.90x = 5,919,447,101.50
  5. Step 5: Solve for x
    x = 5,919,447,101.50/88,664.90
  6. Step 6: Final answer
    x = 66,762.02

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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.