Home / 87,527.84-120,790.77-53,535.74

Finding the Fourth Proportional to 87,527.84, 120,790.77 and 53,535.74

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Solution

The fourth proportional to 87,527.84, 120,790.77 and 53,535.74 is: 73,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,527.84 : 120,790.77 = 53,535.74 : x
  2. Step 2: Convert to fraction form
    87,527.84/120,790.77 = 53,535.74/x
  3. Step 3: Cross multiply
    87,527.84x = 120,790.77 × 53,535.74
  4. Step 4: Simplify right side
    87,527.84x = 6,466,623,257.12
  5. Step 5: Solve for x
    x = 6,466,623,257.12/87,527.84
  6. Step 6: Final answer
    x = 73,880.76

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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.