Home / 88,961.63-122,768.60-48,678.93

Finding the Fourth Proportional to 88,961.63, 122,768.60 and 48,678.93

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Solution

The fourth proportional to 88,961.63, 122,768.60 and 48,678.93 is: 67,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,961.63 : 122,768.60 = 48,678.93 : x
  2. Step 2: Convert to fraction form
    88,961.63/122,768.60 = 48,678.93/x
  3. Step 3: Cross multiply
    88,961.63x = 122,768.60 × 48,678.93
  4. Step 4: Simplify right side
    88,961.63x = 5,976,243,842.20
  5. Step 5: Solve for x
    x = 5,976,243,842.20/88,961.63
  6. Step 6: Final answer
    x = 67,177.77

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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.