Home / 74,846.56-103,289.52-40,856.80

Finding the Fourth Proportional to 74,846.56, 103,289.52 and 40,856.80

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Solution

The fourth proportional to 74,846.56, 103,289.52 and 40,856.80 is: 56,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,846.56 : 103,289.52 = 40,856.80 : x
  2. Step 2: Convert to fraction form
    74,846.56/103,289.52 = 40,856.80/x
  3. Step 3: Cross multiply
    74,846.56x = 103,289.52 × 40,856.80
  4. Step 4: Simplify right side
    74,846.56x = 4,220,079,260.74
  5. Step 5: Solve for x
    x = 4,220,079,260.74/74,846.56
  6. Step 6: Final answer
    x = 56,383.08

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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.