Home / 121,813.30-182,751.04-50,712.32

Finding the Fourth Proportional to 121,813.30, 182,751.04 and 50,712.32

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Solution

The fourth proportional to 121,813.30, 182,751.04 and 50,712.32 is: 76,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,813.30 : 182,751.04 = 50,712.32 : x
  2. Step 2: Convert to fraction form
    121,813.30/182,751.04 = 50,712.32/x
  3. Step 3: Cross multiply
    121,813.30x = 182,751.04 × 50,712.32
  4. Step 4: Simplify right side
    121,813.30x = 9,267,729,220.81
  5. Step 5: Solve for x
    x = 9,267,729,220.81/121,813.30
  6. Step 6: Final answer
    x = 76,081.42

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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.