Home / 81,929.88-113,060.61-46,115.02

Finding the Fourth Proportional to 81,929.88, 113,060.61 and 46,115.02

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Solution

The fourth proportional to 81,929.88, 113,060.61 and 46,115.02 is: 63,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,929.88 : 113,060.61 = 46,115.02 : x
  2. Step 2: Convert to fraction form
    81,929.88/113,060.61 = 46,115.02/x
  3. Step 3: Cross multiply
    81,929.88x = 113,060.61 × 46,115.02
  4. Step 4: Simplify right side
    81,929.88x = 5,213,792,432.69
  5. Step 5: Solve for x
    x = 5,213,792,432.69/81,929.88
  6. Step 6: Final answer
    x = 63,637.25

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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.