Home / 106,516.02-146,989.71-58,773.90

Finding the Fourth Proportional to 106,516.02, 146,989.71 and 58,773.90

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Solution

The fourth proportional to 106,516.02, 146,989.71 and 58,773.90 is: 81,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,516.02 : 146,989.71 = 58,773.90 : x
  2. Step 2: Convert to fraction form
    106,516.02/146,989.71 = 58,773.90/x
  3. Step 3: Cross multiply
    106,516.02x = 146,989.71 × 58,773.90
  4. Step 4: Simplify right side
    106,516.02x = 8,639,158,516.57
  5. Step 5: Solve for x
    x = 8,639,158,516.57/106,516.02
  6. Step 6: Final answer
    x = 81,106.66

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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.