Home / 49,777.74-68,703.30-30,666.96

Finding the Fourth Proportional to 49,777.74, 68,703.30 and 30,666.96

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Solution

The fourth proportional to 49,777.74, 68,703.30 and 30,666.96 is: 42,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,777.74 : 68,703.30 = 30,666.96 : x
  2. Step 2: Convert to fraction form
    49,777.74/68,703.30 = 30,666.96/x
  3. Step 3: Cross multiply
    49,777.74x = 68,703.30 × 30,666.96
  4. Step 4: Simplify right side
    49,777.74x = 2,106,921,352.97
  5. Step 5: Solve for x
    x = 2,106,921,352.97/49,777.74
  6. Step 6: Final answer
    x = 42,326.58

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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.