Home / 106,985.90-147,642.84-58,589.86

Finding the Fourth Proportional to 106,985.90, 147,642.84 and 58,589.86

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Solution

The fourth proportional to 106,985.90, 147,642.84 and 58,589.86 is: 80,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,985.90 : 147,642.84 = 58,589.86 : x
  2. Step 2: Convert to fraction form
    106,985.90/147,642.84 = 58,589.86/x
  3. Step 3: Cross multiply
    106,985.90x = 147,642.84 × 58,589.86
  4. Step 4: Simplify right side
    106,985.90x = 8,650,373,325.60
  5. Step 5: Solve for x
    x = 8,650,373,325.60/106,985.90
  6. Step 6: Final answer
    x = 80,855.27

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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.