Home / 99,207.01-136,906.67-53,885.87

Finding the Fourth Proportional to 99,207.01, 136,906.67 and 53,885.87

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Solution

The fourth proportional to 99,207.01, 136,906.67 and 53,885.87 is: 74,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,207.01 : 136,906.67 = 53,885.87 : x
  2. Step 2: Convert to fraction form
    99,207.01/136,906.67 = 53,885.87/x
  3. Step 3: Cross multiply
    99,207.01x = 136,906.67 × 53,885.87
  4. Step 4: Simplify right side
    99,207.01x = 7,377,335,021.75
  5. Step 5: Solve for x
    x = 7,377,335,021.75/99,207.01
  6. Step 6: Final answer
    x = 74,363.05

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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.