Home / 78,623.11-108,471.39-44,611.90

Finding the Fourth Proportional to 78,623.11, 108,471.39 and 44,611.90

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Solution

The fourth proportional to 78,623.11, 108,471.39 and 44,611.90 is: 61,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,623.11 : 108,471.39 = 44,611.90 : x
  2. Step 2: Convert to fraction form
    78,623.11/108,471.39 = 44,611.90/x
  3. Step 3: Cross multiply
    78,623.11x = 108,471.39 × 44,611.90
  4. Step 4: Simplify right side
    78,623.11x = 4,839,114,803.54
  5. Step 5: Solve for x
    x = 4,839,114,803.54/78,623.11
  6. Step 6: Final answer
    x = 61,548.25

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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.