Home / 76,029.50-104,920.69-41,574.32

Finding the Fourth Proportional to 76,029.50, 104,920.69 and 41,574.32

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Solution

The fourth proportional to 76,029.50, 104,920.69 and 41,574.32 is: 57,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,029.50 : 104,920.69 = 41,574.32 : x
  2. Step 2: Convert to fraction form
    76,029.50/104,920.69 = 41,574.32/x
  3. Step 3: Cross multiply
    76,029.50x = 104,920.69 × 41,574.32
  4. Step 4: Simplify right side
    76,029.50x = 4,362,006,340.68
  5. Step 5: Solve for x
    x = 4,362,006,340.68/76,029.50
  6. Step 6: Final answer
    x = 57,372.55

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1.5x scale

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.