Home / 99,183.12-136,812.60-58,870.32

Finding the Fourth Proportional to 99,183.12, 136,812.60 and 58,870.32

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Solution

The fourth proportional to 99,183.12, 136,812.60 and 58,870.32 is: 81,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,183.12 : 136,812.60 = 58,870.32 : x
  2. Step 2: Convert to fraction form
    99,183.12/136,812.60 = 58,870.32/x
  3. Step 3: Cross multiply
    99,183.12x = 136,812.60 × 58,870.32
  4. Step 4: Simplify right side
    99,183.12x = 8,054,201,542.03
  5. Step 5: Solve for x
    x = 8,054,201,542.03/99,183.12
  6. Step 6: Final answer
    x = 81,205.37

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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.