Home / 48,780.16-73,175.13-13,242.02

Finding the Fourth Proportional to 48,780.16, 73,175.13 and 13,242.02

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Solution

The fourth proportional to 48,780.16, 73,175.13 and 13,242.02 is: 19,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780.16 : 73,175.13 = 13,242.02 : x
  2. Step 2: Convert to fraction form
    48,780.16/73,175.13 = 13,242.02/x
  3. Step 3: Cross multiply
    48,780.16x = 73,175.13 × 13,242.02
  4. Step 4: Simplify right side
    48,780.16x = 968,986,169.09
  5. Step 5: Solve for x
    x = 968,986,169.09/48,780.16
  6. Step 6: Final answer
    x = 19,864.35

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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.