Home / 76,965.80-115,464.90-32,569.70

Finding the Fourth Proportional to 76,965.80, 115,464.90 and 32,569.70

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Solution

The fourth proportional to 76,965.80, 115,464.90 and 32,569.70 is: 48,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,965.80 : 115,464.90 = 32,569.70 : x
  2. Step 2: Convert to fraction form
    76,965.80/115,464.90 = 32,569.70/x
  3. Step 3: Cross multiply
    76,965.80x = 115,464.90 × 32,569.70
  4. Step 4: Simplify right side
    76,965.80x = 3,760,657,153.53
  5. Step 5: Solve for x
    x = 3,760,657,153.53/76,965.80
  6. Step 6: Final answer
    x = 48,861.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.