Home / 123,936.17-185,871.05-53,798.81

Finding the Fourth Proportional to 123,936.17, 185,871.05 and 53,798.81

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Solution

The fourth proportional to 123,936.17, 185,871.05 and 53,798.81 is: 80,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,936.17 : 185,871.05 = 53,798.81 : x
  2. Step 2: Convert to fraction form
    123,936.17/185,871.05 = 53,798.81/x
  3. Step 3: Cross multiply
    123,936.17x = 185,871.05 × 53,798.81
  4. Step 4: Simplify right side
    123,936.17x = 9,999,641,700.88
  5. Step 5: Solve for x
    x = 9,999,641,700.88/123,936.17
  6. Step 6: Final answer
    x = 80,683.80

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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.