Home / 54,050.96-81,005.90-39,108.41

Finding the Fourth Proportional to 54,050.96, 81,005.90 and 39,108.41

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Solution

The fourth proportional to 54,050.96, 81,005.90 and 39,108.41 is: 58,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,050.96 : 81,005.90 = 39,108.41 : x
  2. Step 2: Convert to fraction form
    54,050.96/81,005.90 = 39,108.41/x
  3. Step 3: Cross multiply
    54,050.96x = 81,005.90 × 39,108.41
  4. Step 4: Simplify right side
    54,050.96x = 3,168,011,956.59
  5. Step 5: Solve for x
    x = 3,168,011,956.59/54,050.96
  6. Step 6: Final answer
    x = 58,611.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.