Home / 47,606.94-65,663.46-31,455.54

Finding the Fourth Proportional to 47,606.94, 65,663.46 and 31,455.54

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Solution

The fourth proportional to 47,606.94, 65,663.46 and 31,455.54 is: 43,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,606.94 : 65,663.46 = 31,455.54 : x
  2. Step 2: Convert to fraction form
    47,606.94/65,663.46 = 31,455.54/x
  3. Step 3: Cross multiply
    47,606.94x = 65,663.46 × 31,455.54
  4. Step 4: Simplify right side
    47,606.94x = 2,065,479,592.57
  5. Step 5: Solve for x
    x = 2,065,479,592.57/47,606.94
  6. Step 6: Final answer
    x = 43,386.10

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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.