Home / 114,712.24-172,064.76-31,605.52

Finding the Fourth Proportional to 114,712.24, 172,064.76 and 31,605.52

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Solution

The fourth proportional to 114,712.24, 172,064.76 and 31,605.52 is: 47,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,712.24 : 172,064.76 = 31,605.52 : x
  2. Step 2: Convert to fraction form
    114,712.24/172,064.76 = 31,605.52/x
  3. Step 3: Cross multiply
    114,712.24x = 172,064.76 × 31,605.52
  4. Step 4: Simplify right side
    114,712.24x = 5,438,196,213.48
  5. Step 5: Solve for x
    x = 5,438,196,213.48/114,712.24
  6. Step 6: Final answer
    x = 47,407.29

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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.