Home / 121,659.70-182,403.15-46,750.90

Finding the Fourth Proportional to 121,659.70, 182,403.15 and 46,750.90

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Solution

The fourth proportional to 121,659.70, 182,403.15 and 46,750.90 is: 70,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,659.70 : 182,403.15 = 46,750.90 : x
  2. Step 2: Convert to fraction form
    121,659.70/182,403.15 = 46,750.90/x
  3. Step 3: Cross multiply
    121,659.70x = 182,403.15 × 46,750.90
  4. Step 4: Simplify right side
    121,659.70x = 8,527,511,425.34
  5. Step 5: Solve for x
    x = 8,527,511,425.34/121,659.70
  6. Step 6: Final answer
    x = 70,093.15

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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.