Home / 114,644.99-171,877.04-72,436.12

Finding the Fourth Proportional to 114,644.99, 171,877.04 and 72,436.12

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Solution

The fourth proportional to 114,644.99, 171,877.04 and 72,436.12 is: 108,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,644.99 : 171,877.04 = 72,436.12 : x
  2. Step 2: Convert to fraction form
    114,644.99/171,877.04 = 72,436.12/x
  3. Step 3: Cross multiply
    114,644.99x = 171,877.04 × 72,436.12
  4. Step 4: Simplify right side
    114,644.99x = 12,450,105,482.79
  5. Step 5: Solve for x
    x = 12,450,105,482.79/114,644.99
  6. Step 6: Final answer
    x = 108,597.03

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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.