Home / 58,645.36-80,930.64-31,787.92

Finding the Fourth Proportional to 58,645.36, 80,930.64 and 31,787.92

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Solution

The fourth proportional to 58,645.36, 80,930.64 and 31,787.92 is: 43,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.36 : 80,930.64 = 31,787.92 : x
  2. Step 2: Convert to fraction form
    58,645.36/80,930.64 = 31,787.92/x
  3. Step 3: Cross multiply
    58,645.36x = 80,930.64 × 31,787.92
  4. Step 4: Simplify right side
    58,645.36x = 2,572,616,709.87
  5. Step 5: Solve for x
    x = 2,572,616,709.87/58,645.36
  6. Step 6: Final answer
    x = 43,867.35

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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.