Home / 74,976.60-112,335.30-48,667.80

Finding the Fourth Proportional to 74,976.60, 112,335.30 and 48,667.80

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Solution

The fourth proportional to 74,976.60, 112,335.30 and 48,667.80 is: 72,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976.60 : 112,335.30 = 48,667.80 : x
  2. Step 2: Convert to fraction form
    74,976.60/112,335.30 = 48,667.80/x
  3. Step 3: Cross multiply
    74,976.60x = 112,335.30 × 48,667.80
  4. Step 4: Simplify right side
    74,976.60x = 5,467,111,913.34
  5. Step 5: Solve for x
    x = 5,467,111,913.34/74,976.60
  6. Step 6: Final answer
    x = 72,917.58

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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.