Home / 80,490.32-111,071.09-44,677.51

Finding the Fourth Proportional to 80,490.32, 111,071.09 and 44,677.51

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Solution

The fourth proportional to 80,490.32, 111,071.09 and 44,677.51 is: 61,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,490.32 : 111,071.09 = 44,677.51 : x
  2. Step 2: Convert to fraction form
    80,490.32/111,071.09 = 44,677.51/x
  3. Step 3: Cross multiply
    80,490.32x = 111,071.09 × 44,677.51
  4. Step 4: Simplify right side
    80,490.32x = 4,962,379,649.64
  5. Step 5: Solve for x
    x = 4,962,379,649.64/80,490.32
  6. Step 6: Final answer
    x = 61,651.88

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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.