Home / 115,865.24-173,801.10-40,974.80

Finding the Fourth Proportional to 115,865.24, 173,801.10 and 40,974.80

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Solution

The fourth proportional to 115,865.24, 173,801.10 and 40,974.80 is: 61,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,865.24 : 173,801.10 = 40,974.80 : x
  2. Step 2: Convert to fraction form
    115,865.24/173,801.10 = 40,974.80/x
  3. Step 3: Cross multiply
    115,865.24x = 173,801.10 × 40,974.80
  4. Step 4: Simplify right side
    115,865.24x = 7,121,465,312.28
  5. Step 5: Solve for x
    x = 7,121,465,312.28/115,865.24
  6. Step 6: Final answer
    x = 61,463.35

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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.