Home / 114,909.74-172,364.68-30,670.25

Finding the Fourth Proportional to 114,909.74, 172,364.68 and 30,670.25

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Solution

The fourth proportional to 114,909.74, 172,364.68 and 30,670.25 is: 46,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,909.74 : 172,364.68 = 30,670.25 : x
  2. Step 2: Convert to fraction form
    114,909.74/172,364.68 = 30,670.25/x
  3. Step 3: Cross multiply
    114,909.74x = 172,364.68 × 30,670.25
  4. Step 4: Simplify right side
    114,909.74x = 5,286,467,649.65
  5. Step 5: Solve for x
    x = 5,286,467,649.65/114,909.74
  6. Step 6: Final answer
    x = 46,005.39

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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.