Home / 99,181.12-136,809.84-58,868.32

Finding the Fourth Proportional to 99,181.12, 136,809.84 and 58,868.32

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Solution

The fourth proportional to 99,181.12, 136,809.84 and 58,868.32 is: 81,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,181.12 : 136,809.84 = 58,868.32 : x
  2. Step 2: Convert to fraction form
    99,181.12/136,809.84 = 58,868.32/x
  3. Step 3: Cross multiply
    99,181.12x = 136,809.84 × 58,868.32
  4. Step 4: Simplify right side
    99,181.12x = 8,053,765,440.27
  5. Step 5: Solve for x
    x = 8,053,765,440.27/99,181.12
  6. Step 6: Final answer
    x = 81,202.61

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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.