Home / 79,537.16-109,763.67-45,556.61

Finding the Fourth Proportional to 79,537.16, 109,763.67 and 45,556.61

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Solution

The fourth proportional to 79,537.16, 109,763.67 and 45,556.61 is: 62,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.16 : 109,763.67 = 45,556.61 : x
  2. Step 2: Convert to fraction form
    79,537.16/109,763.67 = 45,556.61/x
  3. Step 3: Cross multiply
    79,537.16x = 109,763.67 × 45,556.61
  4. Step 4: Simplify right side
    79,537.16x = 5,000,460,706.36
  5. Step 5: Solve for x
    x = 5,000,460,706.36/79,537.16
  6. Step 6: Final answer
    x = 62,869.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.