Home / 77,179.23-115,689.47-35,088.59

Finding the Fourth Proportional to 77,179.23, 115,689.47 and 35,088.59

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Solution

The fourth proportional to 77,179.23, 115,689.47 and 35,088.59 is: 52,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,179.23 : 115,689.47 = 35,088.59 : x
  2. Step 2: Convert to fraction form
    77,179.23/115,689.47 = 35,088.59/x
  3. Step 3: Cross multiply
    77,179.23x = 115,689.47 × 35,088.59
  4. Step 4: Simplify right side
    77,179.23x = 4,059,380,493.93
  5. Step 5: Solve for x
    x = 4,059,380,493.93/77,179.23
  6. Step 6: Final answer
    x = 52,596.80

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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.