Home / 117,619.86-176,429.79-42,726.06

Finding the Fourth Proportional to 117,619.86, 176,429.79 and 42,726.06

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Solution

The fourth proportional to 117,619.86, 176,429.79 and 42,726.06 is: 64,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619.86 : 176,429.79 = 42,726.06 : x
  2. Step 2: Convert to fraction form
    117,619.86/176,429.79 = 42,726.06/x
  3. Step 3: Cross multiply
    117,619.86x = 176,429.79 × 42,726.06
  4. Step 4: Simplify right side
    117,619.86x = 7,538,149,793.33
  5. Step 5: Solve for x
    x = 7,538,149,793.33/117,619.86
  6. Step 6: Final answer
    x = 64,089.09

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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.