Home / 83,865.45-115,733.37-62,450.98

Finding the Fourth Proportional to 83,865.45, 115,733.37 and 62,450.98

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Solution

The fourth proportional to 83,865.45, 115,733.37 and 62,450.98 is: 86,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,865.45 : 115,733.37 = 62,450.98 : x
  2. Step 2: Convert to fraction form
    83,865.45/115,733.37 = 62,450.98/x
  3. Step 3: Cross multiply
    83,865.45x = 115,733.37 × 62,450.98
  4. Step 4: Simplify right side
    83,865.45x = 7,227,662,320.06
  5. Step 5: Solve for x
    x = 7,227,662,320.06/83,865.45
  6. Step 6: Final answer
    x = 86,181.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.