Home / 76,208.02-105,170.78-45,992.79

Finding the Fourth Proportional to 76,208.02, 105,170.78 and 45,992.79

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Solution

The fourth proportional to 76,208.02, 105,170.78 and 45,992.79 is: 63,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,208.02 : 105,170.78 = 45,992.79 : x
  2. Step 2: Convert to fraction form
    76,208.02/105,170.78 = 45,992.79/x
  3. Step 3: Cross multiply
    76,208.02x = 105,170.78 × 45,992.79
  4. Step 4: Simplify right side
    76,208.02x = 4,837,097,713.66
  5. Step 5: Solve for x
    x = 4,837,097,713.66/76,208.02
  6. Step 6: Final answer
    x = 63,472.29

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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.