Home / 54,130.75-81,186.54-14,690.93

Finding the Fourth Proportional to 54,130.75, 81,186.54 and 14,690.93

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Solution

The fourth proportional to 54,130.75, 81,186.54 and 14,690.93 is: 22,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.75 : 81,186.54 = 14,690.93 : x
  2. Step 2: Convert to fraction form
    54,130.75/81,186.54 = 14,690.93/x
  3. Step 3: Cross multiply
    54,130.75x = 81,186.54 × 14,690.93
  4. Step 4: Simplify right side
    54,130.75x = 1,192,705,776.08
  5. Step 5: Solve for x
    x = 1,192,705,776.08/54,130.75
  6. Step 6: Final answer
    x = 22,033.79

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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.