Home / 93,529.12-129,049.04-55,796

Finding the Fourth Proportional to 93,529.12, 129,049.04 and 55,796

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Solution

The fourth proportional to 93,529.12, 129,049.04 and 55,796 is: 76,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,529.12 : 129,049.04 = 55,796 : x
  2. Step 2: Convert to fraction form
    93,529.12/129,049.04 = 55,796/x
  3. Step 3: Cross multiply
    93,529.12x = 129,049.04 × 55,796
  4. Step 4: Simplify right side
    93,529.12x = 7,200,420,235.84
  5. Step 5: Solve for x
    x = 7,200,420,235.84/93,529.12
  6. Step 6: Final answer
    x = 76,985.87

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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.