Home / 108,412.24-149,590.92-63,708.88

Finding the Fourth Proportional to 108,412.24, 149,590.92 and 63,708.88

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Solution

The fourth proportional to 108,412.24, 149,590.92 and 63,708.88 is: 87,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,412.24 : 149,590.92 = 63,708.88 : x
  2. Step 2: Convert to fraction form
    108,412.24/149,590.92 = 63,708.88/x
  3. Step 3: Cross multiply
    108,412.24x = 149,590.92 × 63,708.88
  4. Step 4: Simplify right side
    108,412.24x = 9,530,269,971.37
  5. Step 5: Solve for x
    x = 9,530,269,971.37/108,412.24
  6. Step 6: Final answer
    x = 87,907.69

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1.5x scale

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.