Home / 77,173.22-115,730.40-27,244.02

Finding the Fourth Proportional to 77,173.22, 115,730.40 and 27,244.02

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Solution

The fourth proportional to 77,173.22, 115,730.40 and 27,244.02 is: 40,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,173.22 : 115,730.40 = 27,244.02 : x
  2. Step 2: Convert to fraction form
    77,173.22/115,730.40 = 27,244.02/x
  3. Step 3: Cross multiply
    77,173.22x = 115,730.40 × 27,244.02
  4. Step 4: Simplify right side
    77,173.22x = 3,152,961,332.21
  5. Step 5: Solve for x
    x = 3,152,961,332.21/77,173.22
  6. Step 6: Final answer
    x = 40,855.64

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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.