Home / 51,502.34-77,121.39-35,684.90

Finding the Fourth Proportional to 51,502.34, 77,121.39 and 35,684.90

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Solution

The fourth proportional to 51,502.34, 77,121.39 and 35,684.90 is: 53,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502.34 : 77,121.39 = 35,684.90 : x
  2. Step 2: Convert to fraction form
    51,502.34/77,121.39 = 35,684.90/x
  3. Step 3: Cross multiply
    51,502.34x = 77,121.39 × 35,684.90
  4. Step 4: Simplify right side
    51,502.34x = 2,752,069,090.01
  5. Step 5: Solve for x
    x = 2,752,069,090.01/51,502.34
  6. Step 6: Final answer
    x = 53,435.81

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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.