Home / 48,611.37-67,114.65-39,680.10

Finding the Fourth Proportional to 48,611.37, 67,114.65 and 39,680.10

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Solution

The fourth proportional to 48,611.37, 67,114.65 and 39,680.10 is: 54,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,611.37 : 67,114.65 = 39,680.10 : x
  2. Step 2: Convert to fraction form
    48,611.37/67,114.65 = 39,680.10/x
  3. Step 3: Cross multiply
    48,611.37x = 67,114.65 × 39,680.10
  4. Step 4: Simplify right side
    48,611.37x = 2,663,116,023.47
  5. Step 5: Solve for x
    x = 2,663,116,023.47/48,611.37
  6. Step 6: Final answer
    x = 54,783.81

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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.