Home / 106,564.54-147,058.32-58,817.88

Finding the Fourth Proportional to 106,564.54, 147,058.32 and 58,817.88

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Solution

The fourth proportional to 106,564.54, 147,058.32 and 58,817.88 is: 81,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,564.54 : 147,058.32 = 58,817.88 : x
  2. Step 2: Convert to fraction form
    106,564.54/147,058.32 = 58,817.88/x
  3. Step 3: Cross multiply
    106,564.54x = 147,058.32 × 58,817.88
  4. Step 4: Simplify right side
    106,564.54x = 8,649,658,618.76
  5. Step 5: Solve for x
    x = 8,649,658,618.76/106,564.54
  6. Step 6: Final answer
    x = 81,168.26

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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.