Home / 51,617.12-77,373.40-34,978.84

Finding the Fourth Proportional to 51,617.12, 77,373.40 and 34,978.84

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Solution

The fourth proportional to 51,617.12, 77,373.40 and 34,978.84 is: 52,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,617.12 : 77,373.40 = 34,978.84 : x
  2. Step 2: Convert to fraction form
    51,617.12/77,373.40 = 34,978.84/x
  3. Step 3: Cross multiply
    51,617.12x = 77,373.40 × 34,978.84
  4. Step 4: Simplify right side
    51,617.12x = 2,706,431,661.94
  5. Step 5: Solve for x
    x = 2,706,431,661.94/51,617.12
  6. Step 6: Final answer
    x = 52,432.83

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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.