Home / 81,336.24-112,243.88-45,533.14

Finding the Fourth Proportional to 81,336.24, 112,243.88 and 45,533.14

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Solution

The fourth proportional to 81,336.24, 112,243.88 and 45,533.14 is: 62,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336.24 : 112,243.88 = 45,533.14 : x
  2. Step 2: Convert to fraction form
    81,336.24/112,243.88 = 45,533.14/x
  3. Step 3: Cross multiply
    81,336.24x = 112,243.88 × 45,533.14
  4. Step 4: Simplify right side
    81,336.24x = 5,110,816,135.41
  5. Step 5: Solve for x
    x = 5,110,816,135.41/81,336.24
  6. Step 6: Final answer
    x = 62,835.66

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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.