Home / 121,976.93-182,893.51-56,989.46

Finding the Fourth Proportional to 121,976.93, 182,893.51 and 56,989.46

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Solution

The fourth proportional to 121,976.93, 182,893.51 and 56,989.46 is: 85,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,976.93 : 182,893.51 = 56,989.46 : x
  2. Step 2: Convert to fraction form
    121,976.93/182,893.51 = 56,989.46/x
  3. Step 3: Cross multiply
    121,976.93x = 182,893.51 × 56,989.46
  4. Step 4: Simplify right side
    121,976.93x = 10,423,002,763.89
  5. Step 5: Solve for x
    x = 10,423,002,763.89/121,976.93
  6. Step 6: Final answer
    x = 85,450.60

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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.