Home / 48,629.70-72,934.02-13,090.14

Finding the Fourth Proportional to 48,629.70, 72,934.02 and 13,090.14

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Solution

The fourth proportional to 48,629.70, 72,934.02 and 13,090.14 is: 19,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,629.70 : 72,934.02 = 13,090.14 : x
  2. Step 2: Convert to fraction form
    48,629.70/72,934.02 = 13,090.14/x
  3. Step 3: Cross multiply
    48,629.70x = 72,934.02 × 13,090.14
  4. Step 4: Simplify right side
    48,629.70x = 954,716,532.56
  5. Step 5: Solve for x
    x = 954,716,532.56/48,629.70
  6. Step 6: Final answer
    x = 19,632.38

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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.