Home / 77,291.15-115,953.27-23,981.96

Finding the Fourth Proportional to 77,291.15, 115,953.27 and 23,981.96

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Solution

The fourth proportional to 77,291.15, 115,953.27 and 23,981.96 is: 35,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,291.15 : 115,953.27 = 23,981.96 : x
  2. Step 2: Convert to fraction form
    77,291.15/115,953.27 = 23,981.96/x
  3. Step 3: Cross multiply
    77,291.15x = 115,953.27 × 23,981.96
  4. Step 4: Simplify right side
    77,291.15x = 2,780,786,882.96
  5. Step 5: Solve for x
    x = 2,780,786,882.96/77,291.15
  6. Step 6: Final answer
    x = 35,978.08

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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.