Home / 77,892.64-116,884.38-51,271.48

Finding the Fourth Proportional to 77,892.64, 116,884.38 and 51,271.48

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Solution

The fourth proportional to 77,892.64, 116,884.38 and 51,271.48 is: 76,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,892.64 : 116,884.38 = 51,271.48 : x
  2. Step 2: Convert to fraction form
    77,892.64/116,884.38 = 51,271.48/x
  3. Step 3: Cross multiply
    77,892.64x = 116,884.38 × 51,271.48
  4. Step 4: Simplify right side
    77,892.64x = 5,992,835,151.48
  5. Step 5: Solve for x
    x = 5,992,835,151.48/77,892.64
  6. Step 6: Final answer
    x = 76,937.12

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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.