Home / 114,909.08-172,366.50-31,803.80

Finding the Fourth Proportional to 114,909.08, 172,366.50 and 31,803.80

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Solution

The fourth proportional to 114,909.08, 172,366.50 and 31,803.80 is: 47,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,909.08 : 172,366.50 = 31,803.80 : x
  2. Step 2: Convert to fraction form
    114,909.08/172,366.50 = 31,803.80/x
  3. Step 3: Cross multiply
    114,909.08x = 172,366.50 × 31,803.80
  4. Step 4: Simplify right side
    114,909.08x = 5,481,909,692.70
  5. Step 5: Solve for x
    x = 5,481,909,692.70/114,909.08
  6. Step 6: Final answer
    x = 47,706.50

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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.