Home / 48,165.48-72,240.93-13,107.87

Finding the Fourth Proportional to 48,165.48, 72,240.93 and 13,107.87

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Solution

The fourth proportional to 48,165.48, 72,240.93 and 13,107.87 is: 19,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,165.48 : 72,240.93 = 13,107.87 : x
  2. Step 2: Convert to fraction form
    48,165.48/72,240.93 = 13,107.87/x
  3. Step 3: Cross multiply
    48,165.48x = 72,240.93 × 13,107.87
  4. Step 4: Simplify right side
    48,165.48x = 946,924,719.12
  5. Step 5: Solve for x
    x = 946,924,719.12/48,165.48
  6. Step 6: Final answer
    x = 19,659.82

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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.