Home / 106,973.51-147,631.77-59,231.30

Finding the Fourth Proportional to 106,973.51, 147,631.77 and 59,231.30

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Solution

The fourth proportional to 106,973.51, 147,631.77 and 59,231.30 is: 81,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,973.51 : 147,631.77 = 59,231.30 : x
  2. Step 2: Convert to fraction form
    106,973.51/147,631.77 = 59,231.30/x
  3. Step 3: Cross multiply
    106,973.51x = 147,631.77 × 59,231.30
  4. Step 4: Simplify right side
    106,973.51x = 8,744,420,920.24
  5. Step 5: Solve for x
    x = 8,744,420,920.24/106,973.51
  6. Step 6: Final answer
    x = 81,743.80

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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.