Home / 76,776.71-115,124.94-24,172.07

Finding the Fourth Proportional to 76,776.71, 115,124.94 and 24,172.07

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Solution

The fourth proportional to 76,776.71, 115,124.94 and 24,172.07 is: 36,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,776.71 : 115,124.94 = 24,172.07 : x
  2. Step 2: Convert to fraction form
    76,776.71/115,124.94 = 24,172.07/x
  3. Step 3: Cross multiply
    76,776.71x = 115,124.94 × 24,172.07
  4. Step 4: Simplify right side
    76,776.71x = 2,782,807,532.80
  5. Step 5: Solve for x
    x = 2,782,807,532.80/76,776.71
  6. Step 6: Final answer
    x = 36,245.47

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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.