Home / 117,112.81-175,669.63-28,366.37

Finding the Fourth Proportional to 117,112.81, 175,669.63 and 28,366.37

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Solution

The fourth proportional to 117,112.81, 175,669.63 and 28,366.37 is: 42,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,112.81 : 175,669.63 = 28,366.37 : x
  2. Step 2: Convert to fraction form
    117,112.81/175,669.63 = 28,366.37/x
  3. Step 3: Cross multiply
    117,112.81x = 175,669.63 × 28,366.37
  4. Step 4: Simplify right side
    117,112.81x = 4,983,109,722.34
  5. Step 5: Solve for x
    x = 4,983,109,722.34/117,112.81
  6. Step 6: Final answer
    x = 42,549.66

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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.