Home / 66,793.06-100,120.47-31,706.02

Finding the Fourth Proportional to 66,793.06, 100,120.47 and 31,706.02

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Solution

The fourth proportional to 66,793.06, 100,120.47 and 31,706.02 is: 47,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,793.06 : 100,120.47 = 31,706.02 : x
  2. Step 2: Convert to fraction form
    66,793.06/100,120.47 = 31,706.02/x
  3. Step 3: Cross multiply
    66,793.06x = 100,120.47 × 31,706.02
  4. Step 4: Simplify right side
    66,793.06x = 3,174,421,624.23
  5. Step 5: Solve for x
    x = 3,174,421,624.23/66,793.06
  6. Step 6: Final answer
    x = 47,526.22

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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.