Home / 58,820.62-81,172.80-31,963.36

Finding the Fourth Proportional to 58,820.62, 81,172.80 and 31,963.36

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Solution

The fourth proportional to 58,820.62, 81,172.80 and 31,963.36 is: 44,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,820.62 : 81,172.80 = 31,963.36 : x
  2. Step 2: Convert to fraction form
    58,820.62/81,172.80 = 31,963.36/x
  3. Step 3: Cross multiply
    58,820.62x = 81,172.80 × 31,963.36
  4. Step 4: Simplify right side
    58,820.62x = 2,594,555,428.61
  5. Step 5: Solve for x
    x = 2,594,555,428.61/58,820.62
  6. Step 6: Final answer
    x = 44,109.62

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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.