Home / 87,522.55-120,751.21-53,077.81

Finding the Fourth Proportional to 87,522.55, 120,751.21 and 53,077.81

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Solution

The fourth proportional to 87,522.55, 120,751.21 and 53,077.81 is: 73,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,522.55 : 120,751.21 = 53,077.81 : x
  2. Step 2: Convert to fraction form
    87,522.55/120,751.21 = 53,077.81/x
  3. Step 3: Cross multiply
    87,522.55x = 120,751.21 × 53,077.81
  4. Step 4: Simplify right side
    87,522.55x = 6,409,208,912.51
  5. Step 5: Solve for x
    x = 6,409,208,912.51/87,522.55
  6. Step 6: Final answer
    x = 73,229.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.