Home / 114,927.12-172,392.84-36,039.60

Finding the Fourth Proportional to 114,927.12, 172,392.84 and 36,039.60

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Solution

The fourth proportional to 114,927.12, 172,392.84 and 36,039.60 is: 54,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,927.12 : 172,392.84 = 36,039.60 : x
  2. Step 2: Convert to fraction form
    114,927.12/172,392.84 = 36,039.60/x
  3. Step 3: Cross multiply
    114,927.12x = 172,392.84 × 36,039.60
  4. Step 4: Simplify right side
    114,927.12x = 6,212,968,996.46
  5. Step 5: Solve for x
    x = 6,212,968,996.46/114,927.12
  6. Step 6: Final answer
    x = 54,060.08

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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.