Home / 53,761.44-80,642.07-14,318.67

Finding the Fourth Proportional to 53,761.44, 80,642.07 and 14,318.67

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Solution

The fourth proportional to 53,761.44, 80,642.07 and 14,318.67 is: 21,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,761.44 : 80,642.07 = 14,318.67 : x
  2. Step 2: Convert to fraction form
    53,761.44/80,642.07 = 14,318.67/x
  3. Step 3: Cross multiply
    53,761.44x = 80,642.07 × 14,318.67
  4. Step 4: Simplify right side
    53,761.44x = 1,154,687,188.45
  5. Step 5: Solve for x
    x = 1,154,687,188.45/53,761.44
  6. Step 6: Final answer
    x = 21,477.98

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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.