Home / 99,264.64-136,993.60-54,561.92

Finding the Fourth Proportional to 99,264.64, 136,993.60 and 54,561.92

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Solution

The fourth proportional to 99,264.64, 136,993.60 and 54,561.92 is: 75,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,264.64 : 136,993.60 = 54,561.92 : x
  2. Step 2: Convert to fraction form
    99,264.64/136,993.60 = 54,561.92/x
  3. Step 3: Cross multiply
    99,264.64x = 136,993.60 × 54,561.92
  4. Step 4: Simplify right side
    99,264.64x = 7,474,633,843.71
  5. Step 5: Solve for x
    x = 7,474,633,843.71/99,264.64
  6. Step 6: Final answer
    x = 75,300.06

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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.