Home / 48,404.80-72,529.26-40,628.80

Finding the Fourth Proportional to 48,404.80, 72,529.26 and 40,628.80

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Solution

The fourth proportional to 48,404.80, 72,529.26 and 40,628.80 is: 60,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,404.80 : 72,529.26 = 40,628.80 : x
  2. Step 2: Convert to fraction form
    48,404.80/72,529.26 = 40,628.80/x
  3. Step 3: Cross multiply
    48,404.80x = 72,529.26 × 40,628.80
  4. Step 4: Simplify right side
    48,404.80x = 2,946,776,798.69
  5. Step 5: Solve for x
    x = 2,946,776,798.69/48,404.80
  6. Step 6: Final answer
    x = 60,877.78

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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.