Home / 54,777.82-75,586.89-30,903.10

Finding the Fourth Proportional to 54,777.82, 75,586.89 and 30,903.10

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Solution

The fourth proportional to 54,777.82, 75,586.89 and 30,903.10 is: 42,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,777.82 : 75,586.89 = 30,903.10 : x
  2. Step 2: Convert to fraction form
    54,777.82/75,586.89 = 30,903.10/x
  3. Step 3: Cross multiply
    54,777.82x = 75,586.89 × 30,903.10
  4. Step 4: Simplify right side
    54,777.82x = 2,335,869,220.36
  5. Step 5: Solve for x
    x = 2,335,869,220.36/54,777.82
  6. Step 6: Final answer
    x = 42,642.61

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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.