Home / 87,510.50-120,766.92-53,518.37

Finding the Fourth Proportional to 87,510.50, 120,766.92 and 53,518.37

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Solution

The fourth proportional to 87,510.50, 120,766.92 and 53,518.37 is: 73,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,510.50 : 120,766.92 = 53,518.37 : x
  2. Step 2: Convert to fraction form
    87,510.50/120,766.92 = 53,518.37/x
  3. Step 3: Cross multiply
    87,510.50x = 120,766.92 × 53,518.37
  4. Step 4: Simplify right side
    87,510.50x = 6,463,248,708.32
  5. Step 5: Solve for x
    x = 6,463,248,708.32/87,510.50
  6. Step 6: Final answer
    x = 73,856.84

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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.