Home / 106,721.56-147,270.96-58,973.88

Finding the Fourth Proportional to 106,721.56, 147,270.96 and 58,973.88

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Solution

The fourth proportional to 106,721.56, 147,270.96 and 58,973.88 is: 81,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,721.56 : 147,270.96 = 58,973.88 : x
  2. Step 2: Convert to fraction form
    106,721.56/147,270.96 = 58,973.88/x
  3. Step 3: Cross multiply
    106,721.56x = 147,270.96 × 58,973.88
  4. Step 4: Simplify right side
    106,721.56x = 8,685,139,922.52
  5. Step 5: Solve for x
    x = 8,685,139,922.52/106,721.56
  6. Step 6: Final answer
    x = 81,381.31

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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.