Home / 83,636.40-125,453.88-36,889.32

Finding the Fourth Proportional to 83,636.40, 125,453.88 and 36,889.32

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Solution

The fourth proportional to 83,636.40, 125,453.88 and 36,889.32 is: 55,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,636.40 : 125,453.88 = 36,889.32 : x
  2. Step 2: Convert to fraction form
    83,636.40/125,453.88 = 36,889.32/x
  3. Step 3: Cross multiply
    83,636.40x = 125,453.88 × 36,889.32
  4. Step 4: Simplify right side
    83,636.40x = 4,627,908,324.56
  5. Step 5: Solve for x
    x = 4,627,908,324.56/83,636.40
  6. Step 6: Final answer
    x = 55,333.66

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1.5x scale

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.