Home / 104,860.56-157,279.80-29,975.76

Finding the Fourth Proportional to 104,860.56, 157,279.80 and 29,975.76

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Solution

The fourth proportional to 104,860.56, 157,279.80 and 29,975.76 is: 44,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,860.56 : 157,279.80 = 29,975.76 : x
  2. Step 2: Convert to fraction form
    104,860.56/157,279.80 = 29,975.76/x
  3. Step 3: Cross multiply
    104,860.56x = 157,279.80 × 29,975.76
  4. Step 4: Simplify right side
    104,860.56x = 4,714,581,537.65
  5. Step 5: Solve for x
    x = 4,714,581,537.65/104,860.56
  6. Step 6: Final answer
    x = 44,960.48

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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.