Home / 120,984.27-181,475.80-31,026.58

Finding the Fourth Proportional to 120,984.27, 181,475.80 and 31,026.58

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Solution

The fourth proportional to 120,984.27, 181,475.80 and 31,026.58 is: 46,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,984.27 : 181,475.80 = 31,026.58 : x
  2. Step 2: Convert to fraction form
    120,984.27/181,475.80 = 31,026.58/x
  3. Step 3: Cross multiply
    120,984.27x = 181,475.80 × 31,026.58
  4. Step 4: Simplify right side
    120,984.27x = 5,630,573,426.76
  5. Step 5: Solve for x
    x = 5,630,573,426.76/120,984.27
  6. Step 6: Final answer
    x = 46,539.71

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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.