Home / 75,805.94-104,612.67-41,815.35

Finding the Fourth Proportional to 75,805.94, 104,612.67 and 41,815.35

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Solution

The fourth proportional to 75,805.94, 104,612.67 and 41,815.35 is: 57,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,805.94 : 104,612.67 = 41,815.35 : x
  2. Step 2: Convert to fraction form
    75,805.94/104,612.67 = 41,815.35/x
  3. Step 3: Cross multiply
    75,805.94x = 104,612.67 × 41,815.35
  4. Step 4: Simplify right side
    75,805.94x = 4,374,415,410.48
  5. Step 5: Solve for x
    x = 4,374,415,410.48/75,805.94
  6. Step 6: Final answer
    x = 57,705.45

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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.