Home / 77,222.08-115,841.76-24,619.36

Finding the Fourth Proportional to 77,222.08, 115,841.76 and 24,619.36

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Solution

The fourth proportional to 77,222.08, 115,841.76 and 24,619.36 is: 36,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,222.08 : 115,841.76 = 24,619.36 : x
  2. Step 2: Convert to fraction form
    77,222.08/115,841.76 = 24,619.36/x
  3. Step 3: Cross multiply
    77,222.08x = 115,841.76 × 24,619.36
  4. Step 4: Simplify right side
    77,222.08x = 2,851,949,992.47
  5. Step 5: Solve for x
    x = 2,851,949,992.47/77,222.08
  6. Step 6: Final answer
    x = 36,931.79

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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.