Home / 88,973.69-122,783.66-48,687.45

Finding the Fourth Proportional to 88,973.69, 122,783.66 and 48,687.45

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Solution

The fourth proportional to 88,973.69, 122,783.66 and 48,687.45 is: 67,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,973.69 : 122,783.66 = 48,687.45 : x
  2. Step 2: Convert to fraction form
    88,973.69/122,783.66 = 48,687.45/x
  3. Step 3: Cross multiply
    88,973.69x = 122,783.66 × 48,687.45
  4. Step 4: Simplify right side
    88,973.69x = 5,978,023,059.64
  5. Step 5: Solve for x
    x = 5,978,023,059.64/88,973.69
  6. Step 6: Final answer
    x = 67,188.66

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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.