Home / 77,693.12-116,540.36-25,102.61

Finding the Fourth Proportional to 77,693.12, 116,540.36 and 25,102.61

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Solution

The fourth proportional to 77,693.12, 116,540.36 and 25,102.61 is: 37,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,693.12 : 116,540.36 = 25,102.61 : x
  2. Step 2: Convert to fraction form
    77,693.12/116,540.36 = 25,102.61/x
  3. Step 3: Cross multiply
    77,693.12x = 116,540.36 × 25,102.61
  4. Step 4: Simplify right side
    77,693.12x = 2,925,467,080.83
  5. Step 5: Solve for x
    x = 2,925,467,080.83/77,693.12
  6. Step 6: Final answer
    x = 37,654.13

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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.