Home / 120,826.60-181,283.10-50,727.40

Finding the Fourth Proportional to 120,826.60, 181,283.10 and 50,727.40

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Solution

The fourth proportional to 120,826.60, 181,283.10 and 50,727.40 is: 76,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,826.60 : 181,283.10 = 50,727.40 : x
  2. Step 2: Convert to fraction form
    120,826.60/181,283.10 = 50,727.40/x
  3. Step 3: Cross multiply
    120,826.60x = 181,283.10 × 50,727.40
  4. Step 4: Simplify right side
    120,826.60x = 9,196,020,326.94
  5. Step 5: Solve for x
    x = 9,196,020,326.94/120,826.60
  6. Step 6: Final answer
    x = 76,109.24

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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.