Home / 76,542.67-114,752.80-38,571.49

Finding the Fourth Proportional to 76,542.67, 114,752.80 and 38,571.49

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Solution

The fourth proportional to 76,542.67, 114,752.80 and 38,571.49 is: 57,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,542.67 : 114,752.80 = 38,571.49 : x
  2. Step 2: Convert to fraction form
    76,542.67/114,752.80 = 38,571.49/x
  3. Step 3: Cross multiply
    76,542.67x = 114,752.80 × 38,571.49
  4. Step 4: Simplify right side
    76,542.67x = 4,426,186,669.33
  5. Step 5: Solve for x
    x = 4,426,186,669.33/76,542.67
  6. Step 6: Final answer
    x = 57,826.39

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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.