Home / 78,528.48-117,793.38-22,368.54

Finding the Fourth Proportional to 78,528.48, 117,793.38 and 22,368.54

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Solution

The fourth proportional to 78,528.48, 117,793.38 and 22,368.54 is: 33,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528.48 : 117,793.38 = 22,368.54 : x
  2. Step 2: Convert to fraction form
    78,528.48/117,793.38 = 22,368.54/x
  3. Step 3: Cross multiply
    78,528.48x = 117,793.38 × 22,368.54
  4. Step 4: Simplify right side
    78,528.48x = 2,634,865,932.27
  5. Step 5: Solve for x
    x = 2,634,865,932.27/78,528.48
  6. Step 6: Final answer
    x = 33,553.00

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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.