Home / 48,490.23-72,735.45-13,429.99

Finding the Fourth Proportional to 48,490.23, 72,735.45 and 13,429.99

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Solution

The fourth proportional to 48,490.23, 72,735.45 and 13,429.99 is: 20,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,490.23 : 72,735.45 = 13,429.99 : x
  2. Step 2: Convert to fraction form
    48,490.23/72,735.45 = 13,429.99/x
  3. Step 3: Cross multiply
    48,490.23x = 72,735.45 × 13,429.99
  4. Step 4: Simplify right side
    48,490.23x = 976,836,366.15
  5. Step 5: Solve for x
    x = 976,836,366.15/48,490.23
  6. Step 6: Final answer
    x = 20,145.01

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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.