Home / 109,669.75-164,507.29-53,502.12

Finding the Fourth Proportional to 109,669.75, 164,507.29 and 53,502.12

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Solution

The fourth proportional to 109,669.75, 164,507.29 and 53,502.12 is: 80,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,669.75 : 164,507.29 = 53,502.12 : x
  2. Step 2: Convert to fraction form
    109,669.75/164,507.29 = 53,502.12/x
  3. Step 3: Cross multiply
    109,669.75x = 164,507.29 × 53,502.12
  4. Step 4: Simplify right side
    109,669.75x = 8,801,488,636.70
  5. Step 5: Solve for x
    x = 8,801,488,636.70/109,669.75
  6. Step 6: Final answer
    x = 80,254.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.