Home / 117,693.90-176,485.23-42,761.79

Finding the Fourth Proportional to 117,693.90, 176,485.23 and 42,761.79

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Solution

The fourth proportional to 117,693.90, 176,485.23 and 42,761.79 is: 64,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,693.90 : 176,485.23 = 42,761.79 : x
  2. Step 2: Convert to fraction form
    117,693.90/176,485.23 = 42,761.79/x
  3. Step 3: Cross multiply
    117,693.90x = 176,485.23 × 42,761.79
  4. Step 4: Simplify right side
    117,693.90x = 7,546,824,343.36
  5. Step 5: Solve for x
    x = 7,546,824,343.36/117,693.90
  6. Step 6: Final answer
    x = 64,122.48

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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.