Home / 87,586.56-120,831.06-53,596.68

Finding the Fourth Proportional to 87,586.56, 120,831.06 and 53,596.68

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Solution

The fourth proportional to 87,586.56, 120,831.06 and 53,596.68 is: 73,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,586.56 : 120,831.06 = 53,596.68 : x
  2. Step 2: Convert to fraction form
    87,586.56/120,831.06 = 53,596.68/x
  3. Step 3: Cross multiply
    87,586.56x = 120,831.06 × 53,596.68
  4. Step 4: Simplify right side
    87,586.56x = 6,476,143,656.88
  5. Step 5: Solve for x
    x = 6,476,143,656.88/87,586.56
  6. Step 6: Final answer
    x = 73,939.92

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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.