Home / 78,003.28-117,022.54-24,698.50

Finding the Fourth Proportional to 78,003.28, 117,022.54 and 24,698.50

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Solution

The fourth proportional to 78,003.28, 117,022.54 and 24,698.50 is: 37,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,003.28 : 117,022.54 = 24,698.50 : x
  2. Step 2: Convert to fraction form
    78,003.28/117,022.54 = 24,698.50/x
  3. Step 3: Cross multiply
    78,003.28x = 117,022.54 × 24,698.50
  4. Step 4: Simplify right side
    78,003.28x = 2,890,281,204.19
  5. Step 5: Solve for x
    x = 2,890,281,204.19/78,003.28
  6. Step 6: Final answer
    x = 37,053.33

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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.