Home / 66,708.01-100,062.02-31,628.53

Finding the Fourth Proportional to 66,708.01, 100,062.02 and 31,628.53

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Solution

The fourth proportional to 66,708.01, 100,062.02 and 31,628.53 is: 47,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.01 : 100,062.02 = 31,628.53 : x
  2. Step 2: Convert to fraction form
    66,708.01/100,062.02 = 31,628.53/x
  3. Step 3: Cross multiply
    66,708.01x = 100,062.02 × 31,628.53
  4. Step 4: Simplify right side
    66,708.01x = 3,164,814,601.43
  5. Step 5: Solve for x
    x = 3,164,814,601.43/66,708.01
  6. Step 6: Final answer
    x = 47,442.80

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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.