Home / 85,237.92-117,580.16-53,351.46

Finding the Fourth Proportional to 85,237.92, 117,580.16 and 53,351.46

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Solution

The fourth proportional to 85,237.92, 117,580.16 and 53,351.46 is: 73,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,237.92 : 117,580.16 = 53,351.46 : x
  2. Step 2: Convert to fraction form
    85,237.92/117,580.16 = 53,351.46/x
  3. Step 3: Cross multiply
    85,237.92x = 117,580.16 × 53,351.46
  4. Step 4: Simplify right side
    85,237.92x = 6,273,073,336.41
  5. Step 5: Solve for x
    x = 6,273,073,336.41/85,237.92
  6. Step 6: Final answer
    x = 73,594.87

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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.