Home / 78,231.06-117,355.75-24,904.35

Finding the Fourth Proportional to 78,231.06, 117,355.75 and 24,904.35

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Solution

The fourth proportional to 78,231.06, 117,355.75 and 24,904.35 is: 37,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,231.06 : 117,355.75 = 24,904.35 : x
  2. Step 2: Convert to fraction form
    78,231.06/117,355.75 = 24,904.35/x
  3. Step 3: Cross multiply
    78,231.06x = 117,355.75 × 24,904.35
  4. Step 4: Simplify right side
    78,231.06x = 2,922,668,672.51
  5. Step 5: Solve for x
    x = 2,922,668,672.51/78,231.06
  6. Step 6: Final answer
    x = 37,359.44

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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.