Home / 76,479.54-105,544.73-52,331.12

Finding the Fourth Proportional to 76,479.54, 105,544.73 and 52,331.12

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Solution

The fourth proportional to 76,479.54, 105,544.73 and 52,331.12 is: 72,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,479.54 : 105,544.73 = 52,331.12 : x
  2. Step 2: Convert to fraction form
    76,479.54/105,544.73 = 52,331.12/x
  3. Step 3: Cross multiply
    76,479.54x = 105,544.73 × 52,331.12
  4. Step 4: Simplify right side
    76,479.54x = 5,523,274,195.96
  5. Step 5: Solve for x
    x = 5,523,274,195.96/76,479.54
  6. Step 6: Final answer
    x = 72,218.98

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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.