Home / 96,390.20-144,542.10-43,772.60

Finding the Fourth Proportional to 96,390.20, 144,542.10 and 43,772.60

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Solution

The fourth proportional to 96,390.20, 144,542.10 and 43,772.60 is: 65,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,390.20 : 144,542.10 = 43,772.60 : x
  2. Step 2: Convert to fraction form
    96,390.20/144,542.10 = 43,772.60/x
  3. Step 3: Cross multiply
    96,390.20x = 144,542.10 × 43,772.60
  4. Step 4: Simplify right side
    96,390.20x = 6,326,983,526.46
  5. Step 5: Solve for x
    x = 6,326,983,526.46/96,390.20
  6. Step 6: Final answer
    x = 65,639.28

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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.