Home / 76,203.24-105,172.52-45,992.88

Finding the Fourth Proportional to 76,203.24, 105,172.52 and 45,992.88

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Solution

The fourth proportional to 76,203.24, 105,172.52 and 45,992.88 is: 63,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,203.24 : 105,172.52 = 45,992.88 : x
  2. Step 2: Convert to fraction form
    76,203.24/105,172.52 = 45,992.88/x
  3. Step 3: Cross multiply
    76,203.24x = 105,172.52 × 45,992.88
  4. Step 4: Simplify right side
    76,203.24x = 4,837,187,091.66
  5. Step 5: Solve for x
    x = 4,837,187,091.66/76,203.24
  6. Step 6: Final answer
    x = 63,477.45

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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.