Home / 69,317.45-95,659.35-40,657.77

Finding the Fourth Proportional to 69,317.45, 95,659.35 and 40,657.77

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Solution

The fourth proportional to 69,317.45, 95,659.35 and 40,657.77 is: 56,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,317.45 : 95,659.35 = 40,657.77 : x
  2. Step 2: Convert to fraction form
    69,317.45/95,659.35 = 40,657.77/x
  3. Step 3: Cross multiply
    69,317.45x = 95,659.35 × 40,657.77
  4. Step 4: Simplify right side
    69,317.45x = 3,889,295,850.65
  5. Step 5: Solve for x
    x = 3,889,295,850.65/69,317.45
  6. Step 6: Final answer
    x = 56,108.47

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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.