Home / 57,831.68-86,507.55-54,288.74

Finding the Fourth Proportional to 57,831.68, 86,507.55 and 54,288.74

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Solution

The fourth proportional to 57,831.68, 86,507.55 and 54,288.74 is: 81,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,831.68 : 86,507.55 = 54,288.74 : x
  2. Step 2: Convert to fraction form
    57,831.68/86,507.55 = 54,288.74/x
  3. Step 3: Cross multiply
    57,831.68x = 86,507.55 × 54,288.74
  4. Step 4: Simplify right side
    57,831.68x = 4,696,385,889.99
  5. Step 5: Solve for x
    x = 4,696,385,889.99/57,831.68
  6. Step 6: Final answer
    x = 81,207.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.