Home / 123,818.04-170,868.96-67,230.36

Finding the Fourth Proportional to 123,818.04, 170,868.96 and 67,230.36

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Solution

The fourth proportional to 123,818.04, 170,868.96 and 67,230.36 is: 92,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,818.04 : 170,868.96 = 67,230.36 : x
  2. Step 2: Convert to fraction form
    123,818.04/170,868.96 = 67,230.36/x
  3. Step 3: Cross multiply
    123,818.04x = 170,868.96 × 67,230.36
  4. Step 4: Simplify right side
    123,818.04x = 11,487,581,693.63
  5. Step 5: Solve for x
    x = 11,487,581,693.63/123,818.04
  6. Step 6: Final answer
    x = 92,777.93

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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.