Home / 76,727.37-105,889.10-46,513.97

Finding the Fourth Proportional to 76,727.37, 105,889.10 and 46,513.97

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Solution

The fourth proportional to 76,727.37, 105,889.10 and 46,513.97 is: 64,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,727.37 : 105,889.10 = 46,513.97 : x
  2. Step 2: Convert to fraction form
    76,727.37/105,889.10 = 46,513.97/x
  3. Step 3: Cross multiply
    76,727.37x = 105,889.10 × 46,513.97
  4. Step 4: Simplify right side
    76,727.37x = 4,925,321,757.98
  5. Step 5: Solve for x
    x = 4,925,321,757.98/76,727.37
  6. Step 6: Final answer
    x = 64,192.50

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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.