Home / 66,713.04-100,069.50-31,633.56

Finding the Fourth Proportional to 66,713.04, 100,069.50 and 31,633.56

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Solution

The fourth proportional to 66,713.04, 100,069.50 and 31,633.56 is: 47,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.04 : 100,069.50 = 31,633.56 : x
  2. Step 2: Convert to fraction form
    66,713.04/100,069.50 = 31,633.56/x
  3. Step 3: Cross multiply
    66,713.04x = 100,069.50 × 31,633.56
  4. Step 4: Simplify right side
    66,713.04x = 3,165,554,532.42
  5. Step 5: Solve for x
    x = 3,165,554,532.42/66,713.04
  6. Step 6: Final answer
    x = 47,450.31

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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.