Home / 77,137.20-115,700.94-24,584.40

Finding the Fourth Proportional to 77,137.20, 115,700.94 and 24,584.40

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Solution

The fourth proportional to 77,137.20, 115,700.94 and 24,584.40 is: 36,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,137.20 : 115,700.94 = 24,584.40 : x
  2. Step 2: Convert to fraction form
    77,137.20/115,700.94 = 24,584.40/x
  3. Step 3: Cross multiply
    77,137.20x = 115,700.94 × 24,584.40
  4. Step 4: Simplify right side
    77,137.20x = 2,844,438,189.34
  5. Step 5: Solve for x
    x = 2,844,438,189.34/77,137.20
  6. Step 6: Final answer
    x = 36,875.05

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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.