Home / 106,976.90-147,630.36-58,580.88

Finding the Fourth Proportional to 106,976.90, 147,630.36 and 58,580.88

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Solution

The fourth proportional to 106,976.90, 147,630.36 and 58,580.88 is: 80,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,976.90 : 147,630.36 = 58,580.88 : x
  2. Step 2: Convert to fraction form
    106,976.90/147,630.36 = 58,580.88/x
  3. Step 3: Cross multiply
    106,976.90x = 147,630.36 × 58,580.88
  4. Step 4: Simplify right side
    106,976.90x = 8,648,316,403.52
  5. Step 5: Solve for x
    x = 8,648,316,403.52/106,976.90
  6. Step 6: Final answer
    x = 80,842.84

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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.