Home / 118,542.25-177,813.54-48,421.56

Finding the Fourth Proportional to 118,542.25, 177,813.54 and 48,421.56

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Solution

The fourth proportional to 118,542.25, 177,813.54 and 48,421.56 is: 72,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,542.25 : 177,813.54 = 48,421.56 : x
  2. Step 2: Convert to fraction form
    118,542.25/177,813.54 = 48,421.56/x
  3. Step 3: Cross multiply
    118,542.25x = 177,813.54 × 48,421.56
  4. Step 4: Simplify right side
    118,542.25x = 8,610,008,995.92
  5. Step 5: Solve for x
    x = 8,610,008,995.92/118,542.25
  6. Step 6: Final answer
    x = 72,632.41

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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.