Home / 99,005.44-136,615.26-63,216.40

Finding the Fourth Proportional to 99,005.44, 136,615.26 and 63,216.40

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Solution

The fourth proportional to 99,005.44, 136,615.26 and 63,216.40 is: 87,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,005.44 : 136,615.26 = 63,216.40 : x
  2. Step 2: Convert to fraction form
    99,005.44/136,615.26 = 63,216.40/x
  3. Step 3: Cross multiply
    99,005.44x = 136,615.26 × 63,216.40
  4. Step 4: Simplify right side
    99,005.44x = 8,636,324,922.26
  5. Step 5: Solve for x
    x = 8,636,324,922.26/99,005.44
  6. Step 6: Final answer
    x = 87,230.81

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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.