Home / 45,298.50-67,959.80-15,716.30

Finding the Fourth Proportional to 45,298.50, 67,959.80 and 15,716.30

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Solution

The fourth proportional to 45,298.50, 67,959.80 and 15,716.30 is: 23,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.50 : 67,959.80 = 15,716.30 : x
  2. Step 2: Convert to fraction form
    45,298.50/67,959.80 = 15,716.30/x
  3. Step 3: Cross multiply
    45,298.50x = 67,959.80 × 15,716.30
  4. Step 4: Simplify right side
    45,298.50x = 1,068,076,604.74
  5. Step 5: Solve for x
    x = 1,068,076,604.74/45,298.50
  6. Step 6: Final answer
    x = 23,578.63

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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.