Home / 57,084.02-85,532.52-30,401.68

Finding the Fourth Proportional to 57,084.02, 85,532.52 and 30,401.68

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Solution

The fourth proportional to 57,084.02, 85,532.52 and 30,401.68 is: 45,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,084.02 : 85,532.52 = 30,401.68 : x
  2. Step 2: Convert to fraction form
    57,084.02/85,532.52 = 30,401.68/x
  3. Step 3: Cross multiply
    57,084.02x = 85,532.52 × 30,401.68
  4. Step 4: Simplify right side
    57,084.02x = 2,600,331,798.97
  5. Step 5: Solve for x
    x = 2,600,331,798.97/57,084.02
  6. Step 6: Final answer
    x = 45,552.71

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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.