Home / 74,406.06-102,629.40-47,536.68

Finding the Fourth Proportional to 74,406.06, 102,629.40 and 47,536.68

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Solution

The fourth proportional to 74,406.06, 102,629.40 and 47,536.68 is: 65,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,406.06 : 102,629.40 = 47,536.68 : x
  2. Step 2: Convert to fraction form
    74,406.06/102,629.40 = 47,536.68/x
  3. Step 3: Cross multiply
    74,406.06x = 102,629.40 × 47,536.68
  4. Step 4: Simplify right side
    74,406.06x = 4,878,660,946.39
  5. Step 5: Solve for x
    x = 4,878,660,946.39/74,406.06
  6. Step 6: Final answer
    x = 65,568.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.