Home / 45,007.20-67,510.80-41,216.40

Finding the Fourth Proportional to 45,007.20, 67,510.80 and 41,216.40

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Solution

The fourth proportional to 45,007.20, 67,510.80 and 41,216.40 is: 61,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,007.20 : 67,510.80 = 41,216.40 : x
  2. Step 2: Convert to fraction form
    45,007.20/67,510.80 = 41,216.40/x
  3. Step 3: Cross multiply
    45,007.20x = 67,510.80 × 41,216.40
  4. Step 4: Simplify right side
    45,007.20x = 2,782,552,137.12
  5. Step 5: Solve for x
    x = 2,782,552,137.12/45,007.20
  6. Step 6: Final answer
    x = 61,824.60

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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.