Home / 73,947.75-102,050.42-40,415.91

Finding the Fourth Proportional to 73,947.75, 102,050.42 and 40,415.91

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Solution

The fourth proportional to 73,947.75, 102,050.42 and 40,415.91 is: 55,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,947.75 : 102,050.42 = 40,415.91 : x
  2. Step 2: Convert to fraction form
    73,947.75/102,050.42 = 40,415.91/x
  3. Step 3: Cross multiply
    73,947.75x = 102,050.42 × 40,415.91
  4. Step 4: Simplify right side
    73,947.75x = 4,124,460,388.10
  5. Step 5: Solve for x
    x = 4,124,460,388.10/73,947.75
  6. Step 6: Final answer
    x = 55,775.33

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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.