Home / 115,963.70-173,977.95-56,801.30

Finding the Fourth Proportional to 115,963.70, 173,977.95 and 56,801.30

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Solution

The fourth proportional to 115,963.70, 173,977.95 and 56,801.30 is: 85,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,963.70 : 173,977.95 = 56,801.30 : x
  2. Step 2: Convert to fraction form
    115,963.70/173,977.95 = 56,801.30/x
  3. Step 3: Cross multiply
    115,963.70x = 173,977.95 × 56,801.30
  4. Step 4: Simplify right side
    115,963.70x = 9,882,173,731.34
  5. Step 5: Solve for x
    x = 9,882,173,731.34/115,963.70
  6. Step 6: Final answer
    x = 85,217.82

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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.