Home / 102,733.11-141,777.30-57,411.18

Finding the Fourth Proportional to 102,733.11, 141,777.30 and 57,411.18

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Solution

The fourth proportional to 102,733.11, 141,777.30 and 57,411.18 is: 79,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,733.11 : 141,777.30 = 57,411.18 : x
  2. Step 2: Convert to fraction form
    102,733.11/141,777.30 = 57,411.18/x
  3. Step 3: Cross multiply
    102,733.11x = 141,777.30 × 57,411.18
  4. Step 4: Simplify right side
    102,733.11x = 8,139,602,621.88
  5. Step 5: Solve for x
    x = 8,139,602,621.88/102,733.11
  6. Step 6: Final answer
    x = 79,230.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.