Home / 79,873.20-119,831.67-63,288.72

Finding the Fourth Proportional to 79,873.20, 119,831.67 and 63,288.72

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Solution

The fourth proportional to 79,873.20, 119,831.67 and 63,288.72 is: 94,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.20 : 119,831.67 = 63,288.72 : x
  2. Step 2: Convert to fraction form
    79,873.20/119,831.67 = 63,288.72/x
  3. Step 3: Cross multiply
    79,873.20x = 119,831.67 × 63,288.72
  4. Step 4: Simplify right side
    79,873.20x = 7,583,993,009.76
  5. Step 5: Solve for x
    x = 7,583,993,009.76/79,873.20
  6. Step 6: Final answer
    x = 94,950.41

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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.