Home / 45,177.37-67,762.80-14,011.81

Finding the Fourth Proportional to 45,177.37, 67,762.80 and 14,011.81

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Solution

The fourth proportional to 45,177.37, 67,762.80 and 14,011.81 is: 21,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,177.37 : 67,762.80 = 14,011.81 : x
  2. Step 2: Convert to fraction form
    45,177.37/67,762.80 = 14,011.81/x
  3. Step 3: Cross multiply
    45,177.37x = 67,762.80 × 14,011.81
  4. Step 4: Simplify right side
    45,177.37x = 949,479,478.67
  5. Step 5: Solve for x
    x = 949,479,478.67/45,177.37
  6. Step 6: Final answer
    x = 21,016.71

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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.