Home / 78,973.60-118,425.84-23,558.56

Finding the Fourth Proportional to 78,973.60, 118,425.84 and 23,558.56

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Solution

The fourth proportional to 78,973.60, 118,425.84 and 23,558.56 is: 35,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,973.60 : 118,425.84 = 23,558.56 : x
  2. Step 2: Convert to fraction form
    78,973.60/118,425.84 = 23,558.56/x
  3. Step 3: Cross multiply
    78,973.60x = 118,425.84 × 23,558.56
  4. Step 4: Simplify right side
    78,973.60x = 2,789,942,257.19
  5. Step 5: Solve for x
    x = 2,789,942,257.19/78,973.60
  6. Step 6: Final answer
    x = 35,327.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.