Home / 83,818.44-125,640.18-31,206.51

Finding the Fourth Proportional to 83,818.44, 125,640.18 and 31,206.51

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Solution

The fourth proportional to 83,818.44, 125,640.18 and 31,206.51 is: 46,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,818.44 : 125,640.18 = 31,206.51 : x
  2. Step 2: Convert to fraction form
    83,818.44/125,640.18 = 31,206.51/x
  3. Step 3: Cross multiply
    83,818.44x = 125,640.18 × 31,206.51
  4. Step 4: Simplify right side
    83,818.44x = 3,920,791,533.57
  5. Step 5: Solve for x
    x = 3,920,791,533.57/83,818.44
  6. Step 6: Final answer
    x = 46,777.20

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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.