Home / 69,451.12-95,779.54-45,568.72

Finding the Fourth Proportional to 69,451.12, 95,779.54 and 45,568.72

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Solution

The fourth proportional to 69,451.12, 95,779.54 and 45,568.72 is: 62,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,451.12 : 95,779.54 = 45,568.72 : x
  2. Step 2: Convert to fraction form
    69,451.12/95,779.54 = 45,568.72/x
  3. Step 3: Cross multiply
    69,451.12x = 95,779.54 × 45,568.72
  4. Step 4: Simplify right side
    69,451.12x = 4,364,551,039.99
  5. Step 5: Solve for x
    x = 4,364,551,039.99/69,451.12
  6. Step 6: Final answer
    x = 62,843.49

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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.