Home / 78,002.28-117,021.04-24,697.50

Finding the Fourth Proportional to 78,002.28, 117,021.04 and 24,697.50

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Solution

The fourth proportional to 78,002.28, 117,021.04 and 24,697.50 is: 37,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,002.28 : 117,021.04 = 24,697.50 : x
  2. Step 2: Convert to fraction form
    78,002.28/117,021.04 = 24,697.50/x
  3. Step 3: Cross multiply
    78,002.28x = 117,021.04 × 24,697.50
  4. Step 4: Simplify right side
    78,002.28x = 2,890,127,135.40
  5. Step 5: Solve for x
    x = 2,890,127,135.40/78,002.28
  6. Step 6: Final answer
    x = 37,051.83

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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.