Home / 96,406.12-144,831.18-68,395.72

Finding the Fourth Proportional to 96,406.12, 144,831.18 and 68,395.72

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Solution

The fourth proportional to 96,406.12, 144,831.18 and 68,395.72 is: 102,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,406.12 : 144,831.18 = 68,395.72 : x
  2. Step 2: Convert to fraction form
    96,406.12/144,831.18 = 68,395.72/x
  3. Step 3: Cross multiply
    96,406.12x = 144,831.18 × 68,395.72
  4. Step 4: Simplify right side
    96,406.12x = 9,905,832,834.55
  5. Step 5: Solve for x
    x = 9,905,832,834.55/96,406.12
  6. Step 6: Final answer
    x = 102,751.08

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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.