Home / 48,685.63-73,032.14-13,146.43

Finding the Fourth Proportional to 48,685.63, 73,032.14 and 13,146.43

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Solution

The fourth proportional to 48,685.63, 73,032.14 and 13,146.43 is: 19,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.63 : 73,032.14 = 13,146.43 : x
  2. Step 2: Convert to fraction form
    48,685.63/73,032.14 = 13,146.43/x
  3. Step 3: Cross multiply
    48,685.63x = 73,032.14 × 13,146.43
  4. Step 4: Simplify right side
    48,685.63x = 960,111,866.96
  5. Step 5: Solve for x
    x = 960,111,866.96/48,685.63
  6. Step 6: Final answer
    x = 19,720.64

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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.