Home / 117,470.46-162,110.79-63,756.12

Finding the Fourth Proportional to 117,470.46, 162,110.79 and 63,756.12

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Solution

The fourth proportional to 117,470.46, 162,110.79 and 63,756.12 is: 87,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,470.46 : 162,110.79 = 63,756.12 : x
  2. Step 2: Convert to fraction form
    117,470.46/162,110.79 = 63,756.12/x
  3. Step 3: Cross multiply
    117,470.46x = 162,110.79 × 63,756.12
  4. Step 4: Simplify right side
    117,470.46x = 10,335,554,980.53
  5. Step 5: Solve for x
    x = 10,335,554,980.53/117,470.46
  6. Step 6: Final answer
    x = 87,984.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.