Home / 114,618.75-171,909.24-30,384.15

Finding the Fourth Proportional to 114,618.75, 171,909.24 and 30,384.15

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Solution

The fourth proportional to 114,618.75, 171,909.24 and 30,384.15 is: 45,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,618.75 : 171,909.24 = 30,384.15 : x
  2. Step 2: Convert to fraction form
    114,618.75/171,909.24 = 30,384.15/x
  3. Step 3: Cross multiply
    114,618.75x = 171,909.24 × 30,384.15
  4. Step 4: Simplify right side
    114,618.75x = 5,223,316,134.55
  5. Step 5: Solve for x
    x = 5,223,316,134.55/114,618.75
  6. Step 6: Final answer
    x = 45,571.22

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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.