Home / 99,012.92-136,593.54-58,728.38

Finding the Fourth Proportional to 99,012.92, 136,593.54 and 58,728.38

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Solution

The fourth proportional to 99,012.92, 136,593.54 and 58,728.38 is: 81,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,012.92 : 136,593.54 = 58,728.38 : x
  2. Step 2: Convert to fraction form
    99,012.92/136,593.54 = 58,728.38/x
  3. Step 3: Cross multiply
    99,012.92x = 136,593.54 × 58,728.38
  4. Step 4: Simplify right side
    99,012.92x = 8,021,917,322.67
  5. Step 5: Solve for x
    x = 8,021,917,322.67/99,012.92
  6. Step 6: Final answer
    x = 81,018.89

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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.