Home / 76,251.08-105,263.66-50,772.53

Finding the Fourth Proportional to 76,251.08, 105,263.66 and 50,772.53

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Solution

The fourth proportional to 76,251.08, 105,263.66 and 50,772.53 is: 70,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,251.08 : 105,263.66 = 50,772.53 : x
  2. Step 2: Convert to fraction form
    76,251.08/105,263.66 = 50,772.53/x
  3. Step 3: Cross multiply
    76,251.08x = 105,263.66 × 50,772.53
  4. Step 4: Simplify right side
    76,251.08x = 5,344,501,935.87
  5. Step 5: Solve for x
    x = 5,344,501,935.87/76,251.08
  6. Step 6: Final answer
    x = 70,090.84

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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.