Home / 99,847.80-137,790.54-54,525.24

Finding the Fourth Proportional to 99,847.80, 137,790.54 and 54,525.24

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Solution

The fourth proportional to 99,847.80, 137,790.54 and 54,525.24 is: 75,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,847.80 : 137,790.54 = 54,525.24 : x
  2. Step 2: Convert to fraction form
    99,847.80/137,790.54 = 54,525.24/x
  3. Step 3: Cross multiply
    99,847.80x = 137,790.54 × 54,525.24
  4. Step 4: Simplify right side
    99,847.80x = 7,513,062,263.23
  5. Step 5: Solve for x
    x = 7,513,062,263.23/99,847.80
  6. Step 6: Final answer
    x = 75,245.15

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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.