Home / 54,342.50-81,521.04-23,185.04

Finding the Fourth Proportional to 54,342.50, 81,521.04 and 23,185.04

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Solution

The fourth proportional to 54,342.50, 81,521.04 and 23,185.04 is: 34,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342.50 : 81,521.04 = 23,185.04 : x
  2. Step 2: Convert to fraction form
    54,342.50/81,521.04 = 23,185.04/x
  3. Step 3: Cross multiply
    54,342.50x = 81,521.04 × 23,185.04
  4. Step 4: Simplify right side
    54,342.50x = 1,890,068,573.24
  5. Step 5: Solve for x
    x = 1,890,068,573.24/54,342.50
  6. Step 6: Final answer
    x = 34,780.67

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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.