Home / 93,519.46-140,029.98-81,562.06

Finding the Fourth Proportional to 93,519.46, 140,029.98 and 81,562.06

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Solution

The fourth proportional to 93,519.46, 140,029.98 and 81,562.06 is: 122,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,519.46 : 140,029.98 = 81,562.06 : x
  2. Step 2: Convert to fraction form
    93,519.46/140,029.98 = 81,562.06/x
  3. Step 3: Cross multiply
    93,519.46x = 140,029.98 × 81,562.06
  4. Step 4: Simplify right side
    93,519.46x = 11,421,133,630.56
  5. Step 5: Solve for x
    x = 11,421,133,630.56/93,519.46
  6. Step 6: Final answer
    x = 122,125.74

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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.