Home / 58,672.90-80,968.16-31,815.37

Finding the Fourth Proportional to 58,672.90, 80,968.16 and 31,815.37

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Solution

The fourth proportional to 58,672.90, 80,968.16 and 31,815.37 is: 43,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,672.90 : 80,968.16 = 31,815.37 : x
  2. Step 2: Convert to fraction form
    58,672.90/80,968.16 = 31,815.37/x
  3. Step 3: Cross multiply
    58,672.90x = 80,968.16 × 31,815.37
  4. Step 4: Simplify right side
    58,672.90x = 2,576,032,149.37
  5. Step 5: Solve for x
    x = 2,576,032,149.37/58,672.90
  6. Step 6: Final answer
    x = 43,904.97

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1.5x scale

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.