Home / 57,688.22-86,531.92-31,046.74

Finding the Fourth Proportional to 57,688.22, 86,531.92 and 31,046.74

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Solution

The fourth proportional to 57,688.22, 86,531.92 and 31,046.74 is: 46,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,688.22 : 86,531.92 = 31,046.74 : x
  2. Step 2: Convert to fraction form
    57,688.22/86,531.92 = 31,046.74/x
  3. Step 3: Cross multiply
    57,688.22x = 86,531.92 × 31,046.74
  4. Step 4: Simplify right side
    57,688.22x = 2,686,534,021.94
  5. Step 5: Solve for x
    x = 2,686,534,021.94/57,688.22
  6. Step 6: Final answer
    x = 46,569.89

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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.