Home / 106,729.52-147,289.68-58,985.96

Finding the Fourth Proportional to 106,729.52, 147,289.68 and 58,985.96

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Solution

The fourth proportional to 106,729.52, 147,289.68 and 58,985.96 is: 81,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,729.52 : 147,289.68 = 58,985.96 : x
  2. Step 2: Convert to fraction form
    106,729.52/147,289.68 = 58,985.96/x
  3. Step 3: Cross multiply
    106,729.52x = 147,289.68 × 58,985.96
  4. Step 4: Simplify right side
    106,729.52x = 8,688,022,436.44
  5. Step 5: Solve for x
    x = 8,688,022,436.44/106,729.52
  6. Step 6: Final answer
    x = 81,402.25

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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.