Home / 54,988.93-82,482.67-13,436.29

Finding the Fourth Proportional to 54,988.93, 82,482.67 and 13,436.29

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Solution

The fourth proportional to 54,988.93, 82,482.67 and 13,436.29 is: 20,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988.93 : 82,482.67 = 13,436.29 : x
  2. Step 2: Convert to fraction form
    54,988.93/82,482.67 = 13,436.29/x
  3. Step 3: Cross multiply
    54,988.93x = 82,482.67 × 13,436.29
  4. Step 4: Simplify right side
    54,988.93x = 1,108,261,074.09
  5. Step 5: Solve for x
    x = 1,108,261,074.09/54,988.93
  6. Step 6: Final answer
    x = 20,154.26

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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.