Home / 96,680.37-145,020.54-30,125.88

Finding the Fourth Proportional to 96,680.37, 145,020.54 and 30,125.88

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Solution

The fourth proportional to 96,680.37, 145,020.54 and 30,125.88 is: 45,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,680.37 : 145,020.54 = 30,125.88 : x
  2. Step 2: Convert to fraction form
    96,680.37/145,020.54 = 30,125.88/x
  3. Step 3: Cross multiply
    96,680.37x = 145,020.54 × 30,125.88
  4. Step 4: Simplify right side
    96,680.37x = 4,368,871,385.58
  5. Step 5: Solve for x
    x = 4,368,871,385.58/96,680.37
  6. Step 6: Final answer
    x = 45,188.82

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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.