Home / 99,209.90-136,910.76-58,383.05

Finding the Fourth Proportional to 99,209.90, 136,910.76 and 58,383.05

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Solution

The fourth proportional to 99,209.90, 136,910.76 and 58,383.05 is: 80,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,209.90 : 136,910.76 = 58,383.05 : x
  2. Step 2: Convert to fraction form
    99,209.90/136,910.76 = 58,383.05/x
  3. Step 3: Cross multiply
    99,209.90x = 136,910.76 × 58,383.05
  4. Step 4: Simplify right side
    99,209.90x = 7,993,267,062.06
  5. Step 5: Solve for x
    x = 7,993,267,062.06/99,209.90
  6. Step 6: Final answer
    x = 80,569.25

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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.