Home / 69,450.12-95,778.16-45,567.72

Finding the Fourth Proportional to 69,450.12, 95,778.16 and 45,567.72

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Solution

The fourth proportional to 69,450.12, 95,778.16 and 45,567.72 is: 62,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,450.12 : 95,778.16 = 45,567.72 : x
  2. Step 2: Convert to fraction form
    69,450.12/95,778.16 = 45,567.72/x
  3. Step 3: Cross multiply
    69,450.12x = 95,778.16 × 45,567.72
  4. Step 4: Simplify right side
    69,450.12x = 4,364,392,377.00
  5. Step 5: Solve for x
    x = 4,364,392,377.00/69,450.12
  6. Step 6: Final answer
    x = 62,842.11

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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.