Home / 52,359.21-78,539.63-49,700.79

Finding the Fourth Proportional to 52,359.21, 78,539.63 and 49,700.79

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Solution

The fourth proportional to 52,359.21, 78,539.63 and 49,700.79 is: 74,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,359.21 : 78,539.63 = 49,700.79 : x
  2. Step 2: Convert to fraction form
    52,359.21/78,539.63 = 49,700.79/x
  3. Step 3: Cross multiply
    52,359.21x = 78,539.63 × 49,700.79
  4. Step 4: Simplify right side
    52,359.21x = 3,903,481,408.80
  5. Step 5: Solve for x
    x = 3,903,481,408.80/52,359.21
  6. Step 6: Final answer
    x = 74,551.95

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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.