Home / 87,274.75-120,450.45-53,276.11

Finding the Fourth Proportional to 87,274.75, 120,450.45 and 53,276.11

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Solution

The fourth proportional to 87,274.75, 120,450.45 and 53,276.11 is: 73,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,274.75 : 120,450.45 = 53,276.11 : x
  2. Step 2: Convert to fraction form
    87,274.75/120,450.45 = 53,276.11/x
  3. Step 3: Cross multiply
    87,274.75x = 120,450.45 × 53,276.11
  4. Step 4: Simplify right side
    87,274.75x = 6,417,131,423.75
  5. Step 5: Solve for x
    x = 6,417,131,423.75/87,274.75
  6. Step 6: Final answer
    x = 73,527.93

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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.